Intel IceLake cpu has added new cpu features: AVX512VBMI2/GFNI/
VAES/AVX512VNNI/AVX512BITALG/VPCLMULQDQ. Those new cpu features
need expose to guest.
The bit definition:
CPUID.(EAX=7,ECX=0):ECX[bit 06] AVX512VBMI2
CPUID.(EAX=7,ECX=0):ECX[bit 08] GFNI
CPUID.(EAX=7,ECX=0):ECX[bit 09] VAES
CPUID.(EAX=7,ECX=0):ECX[bit 10] VPCLMULQDQ
CPUID.(EAX=7,ECX=0):ECX[bit 11] AVX512VNNI
CPUID.(EAX=7,ECX=0):ECX[bit 12] AVX512_BITALG
The release document ref below link:
https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.pdf
Signed-off-by: Yang Zhong
Acked-by: Jan Beulich
---
docs/man/xl.cfg.pod.5.in| 3 ++-
tools/libxl/libxl_cpuid.c | 6 ++
tools/misc/xen-cpuid.c | 12 +++-
xen/include/public/arch-x86/cpufeatureset.h | 6 ++
xen/tools/gen-cpuid.py | 3 ++-
5 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/docs/man/xl.cfg.pod.5.in b/docs/man/xl.cfg.pod.5.in
index b7b91d8..d056768 100644
--- a/docs/man/xl.cfg.pod.5.in
+++ b/docs/man/xl.cfg.pod.5.in
@@ -1731,7 +1731,8 @@ perfctr_core perfctr_nb pge pku popcnt pse pse36 psn
rdrand rdseed rdtscp rtm
sha skinit smap smep smx ss sse sse2 sse3 sse4.1 sse4.2 sse4_1 sse4_2 sse4a
ssse3 svm svm_decode svm_lbrv svm_npt svm_nrips svm_pausefilt svm_tscrate
svm_vmcbclean syscall sysenter tbm tm tm2 topoext tsc tsc-deadline tsc_adjust
-umip vme vmx wdt x2apic xop xsave xtpr
+umip vme vmx wdt x2apic xop xsave xtpr avx512_vbmi2 gfni vaes vpclmulqdq
+avx512_vnni avx512_bitalg
The xend syntax is a list of values in the form of
diff --git a/tools/libxl/libxl_cpuid.c b/tools/libxl/libxl_cpuid.c
index e692b61..614991f 100644
--- a/tools/libxl/libxl_cpuid.c
+++ b/tools/libxl/libxl_cpuid.c
@@ -199,6 +199,12 @@ int libxl_cpuid_parse_config(libxl_cpuid_policy_list
*cpuid, const char* str)
{"umip", 0x0007, 0, CPUID_REG_ECX, 2, 1},
{"pku", 0x0007, 0, CPUID_REG_ECX, 3, 1},
{"ospke",0x0007, 0, CPUID_REG_ECX, 4, 1},
+{"avx512_vbmi2", 0x0007, 0, CPUID_REG_ECX, 6, 1},
+{"gfni", 0x0007, 0, CPUID_REG_ECX, 8, 1},
+{"vaes", 0x0007, 0, CPUID_REG_ECX, 9, 1},
+{"vpclmulqdq", 0x0007, 0, CPUID_REG_ECX, 10, 1},
+{"avx512_vnni", 0x0007, 0, CPUID_REG_ECX, 11, 1},
+{"avx512_bitalg",0x0007, 0, CPUID_REG_ECX, 12, 1},
{"avx512-4vnniw",0x0007, 0, CPUID_REG_EDX, 2, 1},
{"avx512-4fmaps",0x0007, 0, CPUID_REG_EDX, 3, 1},
diff --git a/tools/misc/xen-cpuid.c b/tools/misc/xen-cpuid.c
index 0831f75..ef15252 100644
--- a/tools/misc/xen-cpuid.c
+++ b/tools/misc/xen-cpuid.c
@@ -120,11 +120,13 @@ static const char *str_Da1[32] =
static const char *str_7c0[32] =
{
-[ 0] = "prechwt1", [ 1] = "avx512vbmi",
-[ 2] = "umip", [ 3] = "pku",
-[ 4] = "ospke",
-
-[5 ... 13] = "REZ",
+[ 0] = "prechwt1", [ 1] = "avx512vbmi",
+[ 2] = "umip", [ 3] = "pku",
+[ 4] = "ospke",[ 5] = "REZ",
+[ 6] = "avx512_vbmi2", [ 7] = "REZ",
+[ 8] = "gfni", [ 9] = "vaes",
+[10] = "vpclmulqdq", [11] = "avx512_vnni",
+[12] = "avx512_bitalg",[13] = "REZ",
[14] = "avx512_vpopcntdq",
diff --git a/xen/include/public/arch-x86/cpufeatureset.h
b/xen/include/public/arch-x86/cpufeatureset.h
index be6da8e..85ad59a 100644
--- a/xen/include/public/arch-x86/cpufeatureset.h
+++ b/xen/include/public/arch-x86/cpufeatureset.h
@@ -228,6 +228,12 @@ XEN_CPUFEATURE(AVX512VBMI,6*32+ 1) /*A AVX-512 Vector
Byte Manipulation Ins
XEN_CPUFEATURE(UMIP, 6*32+ 2) /*S User Mode Instruction Prevention */
XEN_CPUFEATURE(PKU, 6*32+ 3) /*H Protection Keys for Userspace */
XEN_CPUFEATURE(OSPKE, 6*32+ 4) /*! OS Protection Keys Enable */
+XEN_CPUFEATURE(AVX512_VBMI2, 6*32+ 6) /*A addition AVX-512 VBMI Instructions
*/
+XEN_CPUFEATURE(GFNI, 6*32+ 8) /*A Galois Field New Instructions */
+XEN_CPUFEATURE(VAES, 6*32+ 9) /*A Vector AES instructions */
+XEN_CPUFEATURE(VPCLMULQDQ,6*32+ 10) /*A vector PCLMULQDQ instructions */
+XEN_CPUFEATURE(AVX512_VNNI, 6*32+ 11) /*A Vector Neural Network
Instructions */
+XEN_CPUFEATURE(AVX512_BITALG, 6*32+ 12) /*A support for VPOPCNT[B,W] and
VPSHUFBITQMB */
XEN_CPUFEATURE(AVX512_VPOPCNTDQ, 6*32+14) /*A POPCNT for vectors of DW/QW */
XEN_CPUFEATURE(RDPID, 6*32+22) /*A RDPID instruction */
diff --git a/xen/tools/gen-cpuid.py b/xen/tools/gen-cpuid.py
index 9ec4486..be8df48 100755
--- a/xen/tools/gen-cpuid.py
+++ b/xen/tools/gen-cpuid.py
@@ -255,7 +255,8 @@ def crunch_numbers(state):
# top of AVX512F
AVX512F: [AVX512DQ, AVX512IFMA, AVX512PF, AVX512ER, AVX512CD,
AVX512BW, AVX512VL, AVX512VBMI, AVX512_4VNNIW,
- AVX512_4FMAPS, AVX512_VPOPCNTDQ],
+