[PATCH RFC 01/31] xen/public: Export featureset information in the public API

[Andrew Cooper <andrew.cooper3@citrix.com>]

For the featureset to be a useful object, it needs a stable interpretation, a
property which is missing from the current hw_caps interface.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Jan Beulich <JBeulich@suse.com>
CC: Tim Deegan <tim@xen.org>
CC: Ian Campbell <Ian.Campbell@citrix.com>
---
 xen/include/asm-x86/cpufeature.h         | 175 +++++-----------------------
 xen/include/public/arch-x86/featureset.h | 192 +++++++++++++++++++++++++++++++
 2 files changed, 218 insertions(+), 149 deletions(-)
 create mode 100644 xen/include/public/arch-x86/featureset.h

diff --git a/xen/include/asm-x86/cpufeature.h b/xen/include/asm-x86/cpufeature.h
index c5a3f16..87724a0 100644
--- a/xen/include/asm-x86/cpufeature.h
+++ b/xen/include/asm-x86/cpufeature.h
@@ -11,156 +11,33 @@
 
 #include <xen/const.h>
 
-#define NCAPINTS	8	/* N 32-bit words worth of info */
-
-/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */
-#define X86_FEATURE_FPU		(0*32+ 0) /* Onboard FPU */
-#define X86_FEATURE_VME		(0*32+ 1) /* Virtual Mode Extensions */
-#define X86_FEATURE_DE		(0*32+ 2) /* Debugging Extensions */
-#define X86_FEATURE_PSE 	(0*32+ 3) /* Page Size Extensions */
-#define X86_FEATURE_TSC		(0*32+ 4) /* Time Stamp Counter */
-#define X86_FEATURE_MSR		(0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */
-#define X86_FEATURE_PAE		(0*32+ 6) /* Physical Address Extensions */
-#define X86_FEATURE_MCE		(0*32+ 7) /* Machine Check Architecture */
-#define X86_FEATURE_CX8		(0*32+ 8) /* CMPXCHG8 instruction */
-#define X86_FEATURE_APIC	(0*32+ 9) /* Onboard APIC */
-#define X86_FEATURE_SEP		(0*32+11) /* SYSENTER/SYSEXIT */
-#define X86_FEATURE_MTRR	(0*32+12) /* Memory Type Range Registers */
-#define X86_FEATURE_PGE		(0*32+13) /* Page Global Enable */
-#define X86_FEATURE_MCA		(0*32+14) /* Machine Check Architecture */
-#define X86_FEATURE_CMOV	(0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */
-#define X86_FEATURE_PAT		(0*32+16) /* Page Attribute Table */
-#define X86_FEATURE_PSE36	(0*32+17) /* 36-bit PSEs */
-#define X86_FEATURE_PN		(0*32+18) /* Processor serial number */
-#define X86_FEATURE_CLFLSH	(0*32+19) /* Supports the CLFLUSH instruction */
-#define X86_FEATURE_DS		(0*32+21) /* Debug Store */
-#define X86_FEATURE_ACPI	(0*32+22) /* ACPI via MSR */
-#define X86_FEATURE_MMX		(0*32+23) /* Multimedia Extensions */
-#define X86_FEATURE_FXSR	(0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */
-				          /* of FPU context), and CR4.OSFXSR available */
-#define X86_FEATURE_XMM		(0*32+25) /* Streaming SIMD Extensions */
-#define X86_FEATURE_XMM2	(0*32+26) /* Streaming SIMD Extensions-2 */
-#define X86_FEATURE_SELFSNOOP	(0*32+27) /* CPU self snoop */
-#define X86_FEATURE_HT		(0*32+28) /* Hyper-Threading */
-#define X86_FEATURE_ACC		(0*32+29) /* Automatic clock control */
-#define X86_FEATURE_IA64	(0*32+30) /* IA-64 processor */
-#define X86_FEATURE_PBE		(0*32+31) /* Pending Break Enable */
-#define X86_FEATURE_3DNOW_ALT	(0*32+31) /* AMD nonstandard 3DNow (Aliases PBE) */
-
-/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
-/* Don't duplicate feature flags which are redundant with Intel! */
-#define X86_FEATURE_SYSCALL	(1*32+11) /* SYSCALL/SYSRET */
-#define X86_FEATURE_MP		(1*32+19) /* MP Capable. */
-#define X86_FEATURE_NX		(1*32+20) /* Execute Disable */
-#define X86_FEATURE_MMXEXT	(1*32+22) /* AMD MMX extensions */
-#define X86_FEATURE_FFXSR       (1*32+25) /* FFXSR instruction optimizations */
-#define X86_FEATURE_PAGE1GB	(1*32+26) /* 1Gb large page support */
-#define X86_FEATURE_RDTSCP	(1*32+27) /* RDTSCP */
-#define X86_FEATURE_LM		(1*32+29) /* Long Mode (x86-64) */
-#define X86_FEATURE_3DNOWEXT	(1*32+30) /* AMD 3DNow! extensions */
-#define X86_FEATURE_3DNOW	(1*32+31) /* 3DNow! */
-
-/* Intel-defined CPU features, CPUID level 0x0000000D:1 (eax), word 2 */
-#define X86_FEATURE_XSAVEOPT	(2*32+ 0) /* XSAVEOPT instruction. */
-#define X86_FEATURE_XSAVEC	(2*32+ 1) /* XSAVEC/XRSTORC instructions. */
-#define X86_FEATURE_XGETBV1	(2*32+ 2) /* XGETBV with %ecx=1. */
-#define X86_FEATURE_XSAVES	(2*32+ 3) /* XSAVES/XRSTORS instructions. */
-
-/* Other features, Linux-defined mapping, word 3 */
+#include <public/arch-x86/featureset.h>
+
+#define FSMAX XEN_NR_FEATURESET_ENTRIES
+#define NCAPINTS (FSMAX + 2) /* N 32-bit words worth of info */
+
+/* Other features, Linux-defined mapping, FSMAX+1 */
 /* This range is used for feature bits which conflict or are synthesized */
-#define X86_FEATURE_CONSTANT_TSC (3*32+ 8) /* TSC ticks at a constant rate */
-#define X86_FEATURE_NONSTOP_TSC	(3*32+ 9) /* TSC does not stop in C states */
-#define X86_FEATURE_ARAT	(3*32+ 10) /* Always running APIC timer */
-#define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */
-#define X86_FEATURE_TSC_RELIABLE (3*32+12) /* TSC is known to be reliable */
-#define X86_FEATURE_XTOPOLOGY    (3*32+13) /* cpu topology enum extensions */
-#define X86_FEATURE_CPUID_FAULTING (3*32+14) /* cpuid faulting */
-#define X86_FEATURE_CLFLUSH_MONITOR (3*32+15) /* clflush reqd with monitor */
-
-/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
-#define X86_FEATURE_XMM3	(4*32+ 0) /* Streaming SIMD Extensions-3 */
-#define X86_FEATURE_PCLMULQDQ	(4*32+ 1) /* Carry-less mulitplication */
-#define X86_FEATURE_DTES64	(4*32+ 2) /* 64-bit Debug Store */
-#define X86_FEATURE_MWAIT	(4*32+ 3) /* Monitor/Mwait support */
-#define X86_FEATURE_DSCPL	(4*32+ 4) /* CPL Qualified Debug Store */
-#define X86_FEATURE_VMXE	(4*32+ 5) /* Virtual Machine Extensions */
-#define X86_FEATURE_SMXE	(4*32+ 6) /* Safer Mode Extensions */
-#define X86_FEATURE_EST		(4*32+ 7) /* Enhanced SpeedStep */
-#define X86_FEATURE_TM2		(4*32+ 8) /* Thermal Monitor 2 */
-#define X86_FEATURE_SSSE3	(4*32+ 9) /* Supplemental Streaming SIMD Extensions-3 */
-#define X86_FEATURE_CID		(4*32+10) /* Context ID */
-#define X86_FEATURE_FMA		(4*32+12) /* Fused Multiply Add */
-#define X86_FEATURE_CX16        (4*32+13) /* CMPXCHG16B */
-#define X86_FEATURE_XTPR	(4*32+14) /* Send Task Priority Messages */
-#define X86_FEATURE_PDCM	(4*32+15) /* Perf/Debug Capability MSR */
-#define X86_FEATURE_PCID	(4*32+17) /* Process Context ID */
-#define X86_FEATURE_DCA		(4*32+18) /* Direct Cache Access */
-#define X86_FEATURE_SSE4_1	(4*32+19) /* Streaming SIMD Extensions 4.1 */
-#define X86_FEATURE_SSE4_2	(4*32+20) /* Streaming SIMD Extensions 4.2 */
-#define X86_FEATURE_X2APIC	(4*32+21) /* Extended xAPIC */
-#define X86_FEATURE_MOVBE	(4*32+22) /* movbe instruction */
-#define X86_FEATURE_POPCNT	(4*32+23) /* POPCNT instruction */
-#define X86_FEATURE_TSC_DEADLINE (4*32+24) /* "tdt" TSC Deadline Timer */
-#define X86_FEATURE_AES		(4*32+25) /* AES instructions */
-#define X86_FEATURE_XSAVE	(4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
-#define X86_FEATURE_OSXSAVE	(4*32+27) /* OSXSAVE */
-#define X86_FEATURE_AVX 	(4*32+28) /* Advanced Vector Extensions */
-#define X86_FEATURE_F16C 	(4*32+29) /* Half-precision convert instruction */
-#define X86_FEATURE_RDRAND 	(4*32+30) /* Digital Random Number Generator */
-#define X86_FEATURE_HYPERVISOR	(4*32+31) /* Running under some hypervisor */
-
-/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
-#define X86_FEATURE_XSTORE	(5*32+ 2) /* on-CPU RNG present (xstore insn) */
-#define X86_FEATURE_XSTORE_EN	(5*32+ 3) /* on-CPU RNG enabled */
-#define X86_FEATURE_XCRYPT	(5*32+ 6) /* on-CPU crypto (xcrypt insn) */
-#define X86_FEATURE_XCRYPT_EN	(5*32+ 7) /* on-CPU crypto enabled */
-#define X86_FEATURE_ACE2	(5*32+ 8) /* Advanced Cryptography Engine v2 */
-#define X86_FEATURE_ACE2_EN	(5*32+ 9) /* ACE v2 enabled */
-#define X86_FEATURE_PHE		(5*32+ 10) /* PadLock Hash Engine */
-#define X86_FEATURE_PHE_EN	(5*32+ 11) /* PHE enabled */
-#define X86_FEATURE_PMM		(5*32+ 12) /* PadLock Montgomery Multiplier */
-#define X86_FEATURE_PMM_EN	(5*32+ 13) /* PMM enabled */
-
-/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */
-#define X86_FEATURE_LAHF_LM     (6*32+ 0) /* LAHF/SAHF in long mode */
-#define X86_FEATURE_CMP_LEGACY  (6*32+ 1) /* If yes HyperThreading not valid */
-#define X86_FEATURE_SVM         (6*32+ 2) /* Secure virtual machine */
-#define X86_FEATURE_EXTAPIC     (6*32+ 3) /* Extended APIC space */
-#define X86_FEATURE_CR8_LEGACY  (6*32+ 4) /* CR8 in 32-bit mode */
-#define X86_FEATURE_ABM         (6*32+ 5) /* Advanced bit manipulation */
-#define X86_FEATURE_SSE4A       (6*32+ 6) /* SSE-4A */
-#define X86_FEATURE_MISALIGNSSE (6*32+ 7) /* Misaligned SSE mode */
-#define X86_FEATURE_3DNOWPREFETCH (6*32+ 8) /* 3DNow prefetch instructions */
-#define X86_FEATURE_OSVW        (6*32+ 9) /* OS Visible Workaround */
-#define X86_FEATURE_IBS         (6*32+10) /* Instruction Based Sampling */
-#define X86_FEATURE_XOP         (6*32+11) /* extended AVX instructions */
-#define X86_FEATURE_SKINIT      (6*32+12) /* SKINIT/STGI instructions */
-#define X86_FEATURE_WDT         (6*32+13) /* Watchdog timer */
-#define X86_FEATURE_LWP         (6*32+15) /* Light Weight Profiling */
-#define X86_FEATURE_FMA4        (6*32+16) /* 4 operands MAC instructions */
-#define X86_FEATURE_NODEID_MSR  (6*32+19) /* NodeId MSR */
-#define X86_FEATURE_TBM         (6*32+21) /* trailing bit manipulations */
-#define X86_FEATURE_TOPOEXT     (6*32+22) /* topology extensions CPUID leafs */
-#define X86_FEATURE_DBEXT       (6*32+26) /* data breakpoint extension */
-#define X86_FEATURE_MWAITX      (6*32+29) /* MWAIT extension (MONITORX/MWAITX) */
-
-/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 7 */
-#define X86_FEATURE_FSGSBASE	(7*32+ 0) /* {RD,WR}{FS,GS}BASE instructions */
-#define X86_FEATURE_BMI1	(7*32+ 3) /* 1st bit manipulation extensions */
-#define X86_FEATURE_HLE 	(7*32+ 4) /* Hardware Lock Elision */
-#define X86_FEATURE_AVX2	(7*32+ 5) /* AVX2 instructions */
-#define X86_FEATURE_SMEP	(7*32+ 7) /* Supervisor Mode Execution Protection */
-#define X86_FEATURE_BMI2	(7*32+ 8) /* 2nd bit manipulation extensions */
-#define X86_FEATURE_ERMS	(7*32+ 9) /* Enhanced REP MOVSB/STOSB */
-#define X86_FEATURE_INVPCID	(7*32+10) /* Invalidate Process Context ID */
-#define X86_FEATURE_RTM 	(7*32+11) /* Restricted Transactional Memory */
-#define X86_FEATURE_CMT 	(7*32+12) /* Cache Monitoring Technology */
-#define X86_FEATURE_NO_FPU_SEL 	(7*32+13) /* FPU CS/DS stored as zero */
-#define X86_FEATURE_MPX		(7*32+14) /* Memory Protection Extensions */
-#define X86_FEATURE_CAT 	(7*32+15) /* Cache Allocation Technology */
-#define X86_FEATURE_RDSEED	(7*32+18) /* RDSEED instruction */
-#define X86_FEATURE_ADX		(7*32+19) /* ADCX, ADOX instructions */
-#define X86_FEATURE_SMAP	(7*32+20) /* Supervisor Mode Access Prevention */
+#define X86_FEATURE_CONSTANT_TSC	((FSMAX+0)*32+ 8) /* TSC ticks at a constant rate */
+#define X86_FEATURE_NONSTOP_TSC		((FSMAX+0)*32+ 9) /* TSC does not stop in C states */
+#define X86_FEATURE_ARAT		((FSMAX+0)*32+10) /* Always running APIC timer */
+#define X86_FEATURE_ARCH_PERFMON	((FSMAX+0)*32+11) /* Intel Architectural PerfMon */
+#define X86_FEATURE_TSC_RELIABLE	((FSMAX+0)*32+12) /* TSC is known to be reliable */
+#define X86_FEATURE_XTOPOLOGY		((FSMAX+0)*32+13) /* cpu topology enum extensions */
+#define X86_FEATURE_CPUID_FAULTING	((FSMAX+0)*32+14) /* cpuid faulting */
+#define X86_FEATURE_CLFLUSH_MONITOR	((FSMAX+0)*32+15) /* clflush reqd with monitor */
+
+/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, FSMAX+2 */
+#define X86_FEATURE_XSTORE	((FSMAX+1)*32+ 2) /* on-CPU RNG present (xstore insn) */
+#define X86_FEATURE_XSTORE_EN	((FSMAX+1)*32+ 3) /* on-CPU RNG enabled */
+#define X86_FEATURE_XCRYPT	((FSMAX+1)*32+ 6) /* on-CPU crypto (xcrypt insn) */
+#define X86_FEATURE_XCRYPT_EN	((FSMAX+1)*32+ 7) /* on-CPU crypto enabled */
+#define X86_FEATURE_ACE2	((FSMAX+1)*32+ 8) /* Advanced Cryptography Engine v2 */
+#define X86_FEATURE_ACE2_EN	((FSMAX+1)*32+ 9) /* ACE v2 enabled */
+#define X86_FEATURE_PHE		((FSMAX+1)*32+10) /* PadLock Hash Engine */
+#define X86_FEATURE_PHE_EN	((FSMAX+1)*32+11) /* PHE enabled */
+#define X86_FEATURE_PMM		((FSMAX+1)*32+12) /* PadLock Montgomery Multiplier */
+#define X86_FEATURE_PMM_EN	((FSMAX+1)*32+13) /* PMM enabled */
 
 #define cpufeat_word(idx)	((idx) / 32)
 #define cpufeat_bit(idx)	((idx) % 32)
diff --git a/xen/include/public/arch-x86/featureset.h b/xen/include/public/arch-x86/featureset.h
new file mode 100644
index 0000000..9a01d10
--- /dev/null
+++ b/xen/include/public/arch-x86/featureset.h
@@ -0,0 +1,192 @@
+/*
+ * arch-x86/featureset.h
+ *
+ * Featureset definitions
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Copyright (c) 2015 Citrix Systems, Inc.
+ */
+
+#ifndef __XEN_PUBLIC_ARCH_X86_FEATURESET_H__
+#define __XEN_PUBLIC_ARCH_X86_FEATURESET_H__
+
+/*
+ * A featureset is a bitmap of x86 features, represented as a collection of
+ * 32bit words.
+ *
+ * Words are as specified in vendors programming manuals, and shall not
+ * contain any synthesied values.  New words may be added to the end of
+ * featureset.
+ *
+ * All featureset words currently originate from leaves specified for the
+ * CPUID instruction, but this is not preclude other sources of information.
+ */
+
+/*
+ * CPUID leaf shorthand:
+ * - optional 'e', Extended (0x8xxxxxxx)
+ * - leaf, uppercase hex
+ * - register, lowercase
+ * - optional subleaf, uppercase hex
+ */
+#define XEN_FEATURESET_1d     0 /* 0x00000001.edx      */
+#define XEN_FEATURESET_1c     1 /* 0x00000001.ecx      */
+#define XEN_FEATURESET_e1d    2 /* 0x80000001.edx      */
+#define XEN_FEATURESET_e1c    3 /* 0x80000001.ecx      */
+#define XEN_FEATURESET_Da1    4 /* 0x0000000d:1.eax    */
+#define XEN_FEATURESET_7b0    5 /* 0x00000007:0.ebx    */
+#define XEN_NR_FEATURESET_ENTRIES (XEN_FEATURESET_7b0 + 1)
+
+
+/* Intel-defined CPU features, CPUID level 0x00000001.edx, word 0 */
+#define X86_FEATURE_FPU           ( 0*32+ 0) /* Onboard FPU */
+#define X86_FEATURE_VME           ( 0*32+ 1) /* Virtual Mode Extensions */
+#define X86_FEATURE_DE            ( 0*32+ 2) /* Debugging Extensions */
+#define X86_FEATURE_PSE           ( 0*32+ 3) /* Page Size Extensions */
+#define X86_FEATURE_TSC           ( 0*32+ 4) /* Time Stamp Counter */
+#define X86_FEATURE_MSR           ( 0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */
+#define X86_FEATURE_PAE           ( 0*32+ 6) /* Physical Address Extensions */
+#define X86_FEATURE_MCE           ( 0*32+ 7) /* Machine Check Architecture */
+#define X86_FEATURE_CX8           ( 0*32+ 8) /* CMPXCHG8 instruction */
+#define X86_FEATURE_APIC          ( 0*32+ 9) /* Onboard APIC */
+#define X86_FEATURE_SEP           ( 0*32+11) /* SYSENTER/SYSEXIT */
+#define X86_FEATURE_MTRR          ( 0*32+12) /* Memory Type Range Registers */
+#define X86_FEATURE_PGE           ( 0*32+13) /* Page Global Enable */
+#define X86_FEATURE_MCA           ( 0*32+14) /* Machine Check Architecture */
+#define X86_FEATURE_CMOV          ( 0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */
+#define X86_FEATURE_PAT           ( 0*32+16) /* Page Attribute Table */
+#define X86_FEATURE_PSE36         ( 0*32+17) /* 36-bit PSEs */
+#define X86_FEATURE_PN            ( 0*32+18) /* Processor serial number */
+#define X86_FEATURE_CLFLSH        ( 0*32+19) /* CLFLUSH instruction */
+#define X86_FEATURE_DS            ( 0*32+21) /* Debug Store */
+#define X86_FEATURE_ACPI          ( 0*32+22) /* ACPI via MSR */
+#define X86_FEATURE_MMX           ( 0*32+23) /* Multimedia Extensions */
+#define X86_FEATURE_FXSR          ( 0*32+24) /* FXSAVE and FXRSTOR instructions */
+#define X86_FEATURE_XMM           ( 0*32+25) /* Streaming SIMD Extensions */
+#define X86_FEATURE_XMM2          ( 0*32+26) /* Streaming SIMD Extensions-2 */
+#define X86_FEATURE_SELFSNOOP     ( 0*32+27) /* CPU self snoop */
+#define X86_FEATURE_HT            ( 0*32+28) /* Hyper-Threading */
+#define X86_FEATURE_ACC           ( 0*32+29) /* Automatic clock control */
+#define X86_FEATURE_IA64          ( 0*32+30) /* IA-64 processor */
+#define X86_FEATURE_PBE           ( 0*32+31) /* Pending Break Enable */
+#define X86_FEATURE_3DNOW_ALT     ( 0*32+31) /* AMD nonstandard 3DNow (Aliases PBE) */
+
+/* Intel-defined CPU features, CPUID level 0x00000001.ecx, word 1 */
+#define X86_FEATURE_XMM3          ( 1*32+ 0) /* Streaming SIMD Extensions-3 */
+#define X86_FEATURE_PCLMULQDQ     ( 1*32+ 1) /* Carry-less mulitplication */
+#define X86_FEATURE_DTES64        ( 1*32+ 2) /* 64-bit Debug Store */
+#define X86_FEATURE_MWAIT         ( 1*32+ 3) /* Monitor/Mwait support */
+#define X86_FEATURE_DSCPL         ( 1*32+ 4) /* CPL Qualified Debug Store */
+#define X86_FEATURE_VMXE          ( 1*32+ 5) /* Virtual Machine Extensions */
+#define X86_FEATURE_SMXE          ( 1*32+ 6) /* Safer Mode Extensions */
+#define X86_FEATURE_EST           ( 1*32+ 7) /* Enhanced SpeedStep */
+#define X86_FEATURE_TM2           ( 1*32+ 8) /* Thermal Monitor 2 */
+#define X86_FEATURE_SSSE3         ( 1*32+ 9) /* Supplemental Streaming SIMD Extensions-3 */
+#define X86_FEATURE_CID           ( 1*32+10) /* Context ID */
+#define X86_FEATURE_FMA           ( 1*32+12) /* Fused Multiply Add */
+#define X86_FEATURE_CX16          ( 1*32+13) /* CMPXCHG16B */
+#define X86_FEATURE_XTPR          ( 1*32+14) /* Send Task Priority Messages */
+#define X86_FEATURE_PDCM          ( 1*32+15) /* Perf/Debug Capability MSR */
+#define X86_FEATURE_PCID          ( 1*32+17) /* Process Context ID */
+#define X86_FEATURE_DCA           ( 1*32+18) /* Direct Cache Access */
+#define X86_FEATURE_SSE4_1        ( 1*32+19) /* Streaming SIMD Extensions 4.1 */
+#define X86_FEATURE_SSE4_2        ( 1*32+20) /* Streaming SIMD Extensions 4.2 */
+#define X86_FEATURE_X2APIC        ( 1*32+21) /* Extended xAPIC */
+#define X86_FEATURE_MOVBE         ( 1*32+22) /* movbe instruction */
+#define X86_FEATURE_POPCNT        ( 1*32+23) /* POPCNT instruction */
+#define X86_FEATURE_TSC_DEADLINE  ( 1*32+24) /* "tdt" TSC Deadline Timer */
+#define X86_FEATURE_AES           ( 1*32+25) /* AES instructions */
+#define X86_FEATURE_XSAVE         ( 1*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
+#define X86_FEATURE_OSXSAVE       ( 1*32+27) /* OSXSAVE */
+#define X86_FEATURE_AVX           ( 1*32+28) /* Advanced Vector Extensions */
+#define X86_FEATURE_F16C          ( 1*32+29) /* Half-precision convert instruction */
+#define X86_FEATURE_RDRAND        ( 1*32+30) /* Digital Random Number Generator */
+#define X86_FEATURE_HYPERVISOR    ( 1*32+31) /* Running under some hypervisor */
+
+/* AMD-defined CPU features, CPUID level 0x80000001.edx, word 2 */
+#define X86_FEATURE_SYSCALL       ( 2*32+11) /* SYSCALL/SYSRET */
+#define X86_FEATURE_MP            ( 2*32+19) /* MP Capable. */
+#define X86_FEATURE_NX            ( 2*32+20) /* Execute Disable */
+#define X86_FEATURE_MMXEXT        ( 2*32+22) /* AMD MMX extensions */
+#define X86_FEATURE_FFXSR         ( 2*32+25) /* FFXSR instruction optimizations */
+#define X86_FEATURE_PAGE1GB       ( 2*32+26) /* 1Gb large page support */
+#define X86_FEATURE_RDTSCP        ( 2*32+27) /* RDTSCP */
+#define X86_FEATURE_LM            ( 2*32+29) /* Long Mode (x86-64) */
+#define X86_FEATURE_3DNOWEXT      ( 2*32+30) /* AMD 3DNow! extensions */
+#define X86_FEATURE_3DNOW         ( 2*32+31) /* 3DNow! */
+
+/* AMD-defined CPU features, CPUID level 0x80000001.ecx, word 3 */
+#define X86_FEATURE_LAHF_LM       ( 3*32+ 0) /* LAHF/SAHF in long mode */
+#define X86_FEATURE_CMP_LEGACY    ( 3*32+ 1) /* If yes HyperThreading not valid */
+#define X86_FEATURE_SVM           ( 3*32+ 2) /* Secure virtual machine */
+#define X86_FEATURE_EXTAPIC       ( 3*32+ 3) /* Extended APIC space */
+#define X86_FEATURE_CR8_LEGACY    ( 3*32+ 4) /* CR8 in 32-bit mode */
+#define X86_FEATURE_ABM           ( 3*32+ 5) /* Advanced bit manipulation */
+#define X86_FEATURE_SSE4A         ( 3*32+ 6) /* SSE-4A */
+#define X86_FEATURE_MISALIGNSSE   ( 3*32+ 7) /* Misaligned SSE mode */
+#define X86_FEATURE_3DNOWPREFETCH ( 3*32+ 8) /* 3DNow prefetch instructions */
+#define X86_FEATURE_OSVW          ( 3*32+ 9) /* OS Visible Workaround */
+#define X86_FEATURE_IBS           ( 3*32+10) /* Instruction Based Sampling */
+#define X86_FEATURE_XOP           ( 3*32+11) /* extended AVX instructions */
+#define X86_FEATURE_SKINIT        ( 3*32+12) /* SKINIT/STGI instructions */
+#define X86_FEATURE_WDT           ( 3*32+13) /* Watchdog timer */
+#define X86_FEATURE_LWP           ( 3*32+15) /* Light Weight Profiling */
+#define X86_FEATURE_FMA4          ( 3*32+16) /* 4 operands MAC instructions */
+#define X86_FEATURE_NODEID_MSR    ( 3*32+19) /* NodeId MSR */
+#define X86_FEATURE_TBM           ( 3*32+21) /* trailing bit manipulations */
+#define X86_FEATURE_TOPOEXT       ( 3*32+22) /* topology extensions CPUID leafs */
+#define X86_FEATURE_DBEXT         ( 3*32+26) /* data breakpoint extension */
+#define X86_FEATURE_MWAITX        ( 3*32+29) /* MWAIT extension (MONITORX/MWAITX) */
+
+/* Intel-defined CPU features, CPUID level 0x0000000D:1.eax, word 4 */
+#define X86_FEATURE_XSAVEOPT      ( 4*32+ 0) /* XSAVEOPT instruction */
+#define X86_FEATURE_XSAVEC        ( 4*32+ 1) /* XSAVEC/XRSTORC instructions */
+#define X86_FEATURE_XGETBV1       ( 4*32+ 2) /* XGETBV with %ecx=1 */
+#define X86_FEATURE_XSAVES        ( 4*32+ 3) /* XSAVES/XRSTORS instructions */
+
+/* Intel-defined CPU features, CPUID level 0x00000007:0.ebx, word 5 */
+#define X86_FEATURE_FSGSBASE      ( 5*32+ 0) /* {RD,WR}{FS,GS}BASE instructions */
+#define X86_FEATURE_BMI1          ( 5*32+ 3) /* 1st bit manipulation extensions */
+#define X86_FEATURE_HLE           ( 5*32+ 4) /* Hardware Lock Elision */
+#define X86_FEATURE_AVX2          ( 5*32+ 5) /* AVX2 instructions */
+#define X86_FEATURE_SMEP          ( 5*32+ 7) /* Supervisor Mode Execution Protection */
+#define X86_FEATURE_BMI2          ( 5*32+ 8) /* 2nd bit manipulation extensions */
+#define X86_FEATURE_ERMS          ( 5*32+ 9) /* Enhanced REP MOVSB/STOSB */
+#define X86_FEATURE_INVPCID       ( 5*32+10) /* Invalidate Process Context ID */
+#define X86_FEATURE_RTM           ( 5*32+11) /* Restricted Transactional Memory */
+#define X86_FEATURE_CMT           ( 5*32+12) /* Cache Monitoring Technology */
+#define X86_FEATURE_NO_FPU_SEL    ( 5*32+13) /* FPU CS/DS stored as zero */
+#define X86_FEATURE_MPX           ( 5*32+14) /* Memory Protection Extensions */
+#define X86_FEATURE_CAT           ( 5*32+15) /* Cache Allocation Technology */
+#define X86_FEATURE_RDSEED        ( 5*32+18) /* RDSEED instruction */
+#define X86_FEATURE_ADX           ( 5*32+19) /* ADCX, ADOX instructions */
+#define X86_FEATURE_SMAP          ( 5*32+20) /* Supervisor Mode Access Prevention */
+
+#endif /* !__XEN_PUBLIC_ARCH_X86_FEATURESET_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.1.4