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d="scan'208";a="100753228" From: Andrew Cooper To: Xen-devel CC: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Wei Liu Subject: [PATCH 1/2] x86/spec-ctrl: Add BHI controls to userspace components Date: Fri, 10 Mar 2023 16:02:37 +0000 Message-ID: <20230310160238.1321765-2-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230310160238.1321765-1-andrew.cooper3@citrix.com> References: <20230310160238.1321765-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1678464224982100001 This was an oversight when adding the Xen parts. Fixes: cea9ae062295 ("x86/spec-ctrl: Enumeration for new Intel BHI controls= ") Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Wei Liu --- tools/libs/light/libxl_cpuid.c | 3 +++ tools/misc/xen-cpuid.c | 6 +++--- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/tools/libs/light/libxl_cpuid.c b/tools/libs/light/libxl_cpuid.c index 06b1227a2fd3..1d4e8a6b0067 100644 --- a/tools/libs/light/libxl_cpuid.c +++ b/tools/libs/light/libxl_cpuid.c @@ -240,6 +240,9 @@ int libxl_cpuid_parse_config(libxl_cpuid_policy_list *c= puid, const char* str) {"cet-sss", 0x00000007, 1, CPUID_REG_EDX, 18, 1}, =20 {"intel-psfd", 0x00000007, 2, CPUID_REG_EDX, 0, 1}, + {"ipred-ctrl", 0x00000007, 2, CPUID_REG_EDX, 1, 1}, + {"rrsba-ctrl", 0x00000007, 2, CPUID_REG_EDX, 2, 1}, + {"bhi-ctrl", 0x00000007, 2, CPUID_REG_EDX, 4, 1}, {"mcdt-no", 0x00000007, 2, CPUID_REG_EDX, 5, 1}, =20 {"lahfsahf", 0x80000001, NA, CPUID_REG_ECX, 0, 1}, diff --git a/tools/misc/xen-cpuid.c b/tools/misc/xen-cpuid.c index 3ab820571d8d..4f4261f4aa95 100644 --- a/tools/misc/xen-cpuid.c +++ b/tools/misc/xen-cpuid.c @@ -215,9 +215,9 @@ static const char *const str_7d1[32] =3D =20 static const char *const str_7d2[32] =3D { - [ 0] =3D "intel-psfd", - - /* 4 */ [ 5] =3D "mcdt-no", + [ 0] =3D "intel-psfd", [ 1] =3D "ipred-ctrl", + [ 2] =3D "rrsba-ctrl", + [ 4] =3D "bhi-ctrl", [ 5] =3D "mcdt-no", }; 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d="scan'208";a="100246595" From: Andrew Cooper To: Xen-devel CC: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Wei Liu Subject: [PATCH 2/2] x86/spec-ctrl: Enumerations for DDP controls Date: Fri, 10 Mar 2023 16:02:38 +0000 Message-ID: <20230310160238.1321765-3-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230310160238.1321765-1-andrew.cooper3@citrix.com> References: <20230310160238.1321765-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1678464219388100001 https://www.intel.com/content/www/us/en/developer/articles/technical/softwa= re-security-guidance/technical-documentation/data-dependent-prefetcher.html Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Wei Liu --- tools/libs/light/libxl_cpuid.c | 1 + tools/misc/xen-cpuid.c | 2 +- xen/arch/x86/include/asm/msr-index.h | 1 + xen/include/public/arch-x86/cpufeatureset.h | 1 + 4 files changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/libs/light/libxl_cpuid.c b/tools/libs/light/libxl_cpuid.c index 1d4e8a6b0067..968635981086 100644 --- a/tools/libs/light/libxl_cpuid.c +++ b/tools/libs/light/libxl_cpuid.c @@ -242,6 +242,7 @@ int libxl_cpuid_parse_config(libxl_cpuid_policy_list *c= puid, const char* str) {"intel-psfd", 0x00000007, 2, CPUID_REG_EDX, 0, 1}, {"ipred-ctrl", 0x00000007, 2, CPUID_REG_EDX, 1, 1}, {"rrsba-ctrl", 0x00000007, 2, CPUID_REG_EDX, 2, 1}, + {"ddp-ctrl", 0x00000007, 2, CPUID_REG_EDX, 3, 1}, {"bhi-ctrl", 0x00000007, 2, CPUID_REG_EDX, 4, 1}, {"mcdt-no", 0x00000007, 2, CPUID_REG_EDX, 5, 1}, =20 diff --git a/tools/misc/xen-cpuid.c b/tools/misc/xen-cpuid.c index 4f4261f4aa95..868054ab96a6 100644 --- a/tools/misc/xen-cpuid.c +++ b/tools/misc/xen-cpuid.c @@ -216,7 +216,7 @@ static const char *const str_7d1[32] =3D static const char *const str_7d2[32] =3D { [ 0] =3D "intel-psfd", [ 1] =3D "ipred-ctrl", - [ 2] =3D "rrsba-ctrl", + [ 2] =3D "rrsba-ctrl", [ 3] =3D "ddp-ctrl", [ 4] =3D "bhi-ctrl", [ 5] =3D "mcdt-no", }; =20 diff --git a/xen/arch/x86/include/asm/msr-index.h b/xen/arch/x86/include/as= m/msr-index.h index 7615d8087f46..4e90b361eb08 100644 --- a/xen/arch/x86/include/asm/msr-index.h +++ b/xen/arch/x86/include/asm/msr-index.h @@ -41,6 +41,7 @@ #define SPEC_CTRL_RRSBA_DIS_U (_AC(1, ULL) << 5) #define SPEC_CTRL_RRSBA_DIS_S (_AC(1, ULL) << 6) #define SPEC_CTRL_PSFD (_AC(1, ULL) << 7) +#define SPEC_CTRL_DDPU_D (_AC(1, ULL) << 8) #define SPEC_CTRL_BHI_DIS_S (_AC(1, ULL) << 10) =20 #define MSR_PRED_CMD 0x00000049 diff --git a/xen/include/public/arch-x86/cpufeatureset.h b/xen/include/publ= ic/arch-x86/cpufeatureset.h index 336744b47119..4976a27690af 100644 --- a/xen/include/public/arch-x86/cpufeatureset.h +++ b/xen/include/public/arch-x86/cpufeatureset.h @@ -295,6 +295,7 @@ XEN_CPUFEATURE(INTEL_PSFD, 13*32+ 0) /*A MSR_S= PEC_CTRL.PSFD */ XEN_CPUFEATURE(IPRED_CTRL, 13*32+ 1) /* MSR_SPEC_CTRL.IPRED_DIS_= * */ XEN_CPUFEATURE(RRSBA_CTRL, 13*32+ 2) /* MSR_SPEC_CTRL.RRSBA_DIS_= * */ XEN_CPUFEATURE(BHI_CTRL, 13*32+ 4) /* MSR_SPEC_CTRL.BHI_DIS_S = */ +XEN_CPUFEATURE(DDP_CTRL, 13*32+ 3) /* MSR_SPEC_CTRL.DDPU_U */ XEN_CPUFEATURE(MCDT_NO, 13*32+ 5) /*A MCDT_NO */ =20 /* Intel-defined CPU features, CPUID level 0x00000007:1.ecx, word 14 */ --=20 2.30.2