From: Suzuki K Poulose <suzuki.poulose@arm.com> To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: suzuki.poulose@arm.com, Alexandru Elisei <alexandru.elisei@arm.com>, Andrew Jones <andrew.jones@linux.dev>, Christoffer Dall <christoffer.dall@arm.com>, Fuad Tabba <tabba@google.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, Joey Gouly <Joey.Gouly@arm.com>, Marc Zyngier <maz@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Paolo Bonzini <pbonzini@redhat.com>, Quentin Perret <qperret@google.com>, Steven Price <steven.price@arm.com>, Thomas Huth <thuth@redhat.com>, Will Deacon <will@kernel.org>, Zenghui Yu <yuzenghui@huawei.com>, linux-coco@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC kvmtool 16/31] arm64: Add support for specifying the SVE vector length for Realm Date: Fri, 27 Jan 2023 11:39:17 +0000 [thread overview] Message-ID: <20230127113932.166089-17-suzuki.poulose@arm.com> (raw) In-Reply-To: <20230127113932.166089-1-suzuki.poulose@arm.com> Add option to specify SVE vector length for realms. Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- arm/aarch64/include/kvm/kvm-config-arch.h | 6 ++++-- arm/aarch64/kvm.c | 23 +++++++++++++++++++++++ arm/aarch64/realm.c | 21 +++++++++++++++++++++ arm/include/arm-common/kvm-arch.h | 1 + arm/include/arm-common/kvm-config-arch.h | 1 + 5 files changed, 50 insertions(+), 2 deletions(-) diff --git a/arm/aarch64/include/kvm/kvm-config-arch.h b/arm/aarch64/include/kvm/kvm-config-arch.h index f2e659ad..0f42c2c2 100644 --- a/arm/aarch64/include/kvm/kvm-config-arch.h +++ b/arm/aarch64/include/kvm/kvm-config-arch.h @@ -29,8 +29,10 @@ int vcpu_affinity_parser(const struct option *opt, const char *arg, int unset); "Realm Measurement algorithm, default: sha256"),\ OPT_STRING('\0', "realm-pv", &(cfg)->realm_pv, \ "personalisation value", \ - "Personalisation Value (only) for Realm VMs"), - + "Personalisation Value (only) for Realm VMs"), \ + OPT_U64('\0', "sve-vl", &(cfg)->sve_vl, \ + "SVE Vector Length the VM" \ + "(only supported for Realms)"), #include "arm-common/kvm-config-arch.h" diff --git a/arm/aarch64/kvm.c b/arm/aarch64/kvm.c index 4798e359..fca1410b 100644 --- a/arm/aarch64/kvm.c +++ b/arm/aarch64/kvm.c @@ -51,13 +51,19 @@ static void validate_mem_cfg(struct kvm *kvm) } } +#define SVE_VL_ALIGN 128 + static void validate_realm_cfg(struct kvm *kvm) { + u32 sve_vl; + if (!kvm->cfg.arch.is_realm) { if (kvm->cfg.arch.measurement_algo) die("--measurement-algo valid only with --realm"); if (kvm->cfg.arch.realm_pv) die("--realm-pv valid only with --realm"); + if (kvm->cfg.arch.sve_vl) + die("--sve-vl valid only with --realm"); return; } @@ -76,6 +82,23 @@ static void validate_realm_cfg(struct kvm *kvm) kvm->arch.measurement_algo = KVM_CAP_ARM_RME_MEASUREMENT_ALGO_SHA256; } + sve_vl = kvm->cfg.arch.sve_vl; + if (sve_vl) { + if (kvm->cfg.arch.disable_sve) + die("SVE VL requested when SVE is disabled"); + if (!IS_ALIGNED(sve_vl, SVE_VL_ALIGN)) + die("SVE VL is not aligned to %dbit\n", SVE_VL_ALIGN); + kvm->arch.sve_vq = (sve_vl / SVE_VL_ALIGN) - 1; + } else { + /* + * Disable SVE for Realms, if a VL is not requested. + * The SVE VL will be measured as part of the parameter + * and we do not want to add an unknown entity to the + * measurement. + */ + kvm->cfg.arch.disable_sve = true; + } + if (kvm->cfg.arch.realm_pv) { if (strlen(kvm->cfg.arch.realm_pv) > KVM_CAP_ARM_RME_RPV_SIZE) die("Invalid size for Realm Personalization Value\n"); diff --git a/arm/aarch64/realm.c b/arm/aarch64/realm.c index 2e0be982..fc7f8d6a 100644 --- a/arm/aarch64/realm.c +++ b/arm/aarch64/realm.c @@ -42,10 +42,31 @@ static void realm_configure_rpv(struct kvm *kvm) die_perror("KVM_CAP_RME(KVM_CAP_ARM_RME_CONFIG_REALM) RPV"); } +static void realm_configure_sve(struct kvm *kvm) +{ + struct kvm_cap_arm_rme_config_item sve_cfg = { + .cfg = KVM_CAP_ARM_RME_CFG_SVE, + .sve_vq = kvm->arch.sve_vq, + }; + + struct kvm_enable_cap rme_config = { + .cap = KVM_CAP_ARM_RME, + .args[0] = KVM_CAP_ARM_RME_CONFIG_REALM, + .args[1] = (u64)&sve_cfg, + }; + + if (kvm->cfg.arch.disable_sve) + return; + + if (ioctl(kvm->vm_fd, KVM_ENABLE_CAP, &rme_config) < 0) + die_perror("KVM_CAP_RME(KVM_CAP_ARM_RME_CONFIG_REALM) SVE"); +} + static void realm_configure_parameters(struct kvm *kvm) { realm_configure_hash_algo(kvm); realm_configure_rpv(kvm); + realm_configure_sve(kvm); } void kvm_arm_realm_create_realm_descriptor(struct kvm *kvm) diff --git a/arm/include/arm-common/kvm-arch.h b/arm/include/arm-common/kvm-arch.h index 68224b1c..41b31f11 100644 --- a/arm/include/arm-common/kvm-arch.h +++ b/arm/include/arm-common/kvm-arch.h @@ -114,6 +114,7 @@ struct kvm_arch { cpu_set_t *vcpu_affinity_cpuset; u64 measurement_algo; + u64 sve_vq; }; #endif /* ARM_COMMON__KVM_ARCH_H */ diff --git a/arm/include/arm-common/kvm-config-arch.h b/arm/include/arm-common/kvm-config-arch.h index 80a3b18e..d923fd9e 100644 --- a/arm/include/arm-common/kvm-config-arch.h +++ b/arm/include/arm-common/kvm-config-arch.h @@ -19,6 +19,7 @@ struct kvm_config_arch { u64 fw_addr; bool no_pvtime; bool disable_sve; + u64 sve_vl; }; int irqchip_parser(const struct option *opt, const char *arg, int unset); -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Suzuki K Poulose <suzuki.poulose@arm.com> To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: suzuki.poulose@arm.com, Alexandru Elisei <alexandru.elisei@arm.com>, Andrew Jones <andrew.jones@linux.dev>, Christoffer Dall <christoffer.dall@arm.com>, Fuad Tabba <tabba@google.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, Joey Gouly <Joey.Gouly@arm.com>, Marc Zyngier <maz@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Paolo Bonzini <pbonzini@redhat.com>, Quentin Perret <qperret@google.com>, Steven Price <steven.price@arm.com>, Thomas Huth <thuth@redhat.com>, Will Deacon <will@kernel.org>, Zenghui Yu <yuzenghui@huawei.com>, linux-coco@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC kvmtool 16/31] arm64: Add support for specifying the SVE vector length for Realm Date: Fri, 27 Jan 2023 11:39:17 +0000 [thread overview] Message-ID: <20230127113932.166089-17-suzuki.poulose@arm.com> (raw) In-Reply-To: <20230127113932.166089-1-suzuki.poulose@arm.com> Add option to specify SVE vector length for realms. Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- arm/aarch64/include/kvm/kvm-config-arch.h | 6 ++++-- arm/aarch64/kvm.c | 23 +++++++++++++++++++++++ arm/aarch64/realm.c | 21 +++++++++++++++++++++ arm/include/arm-common/kvm-arch.h | 1 + arm/include/arm-common/kvm-config-arch.h | 1 + 5 files changed, 50 insertions(+), 2 deletions(-) diff --git a/arm/aarch64/include/kvm/kvm-config-arch.h b/arm/aarch64/include/kvm/kvm-config-arch.h index f2e659ad..0f42c2c2 100644 --- a/arm/aarch64/include/kvm/kvm-config-arch.h +++ b/arm/aarch64/include/kvm/kvm-config-arch.h @@ -29,8 +29,10 @@ int vcpu_affinity_parser(const struct option *opt, const char *arg, int unset); "Realm Measurement algorithm, default: sha256"),\ OPT_STRING('\0', "realm-pv", &(cfg)->realm_pv, \ "personalisation value", \ - "Personalisation Value (only) for Realm VMs"), - + "Personalisation Value (only) for Realm VMs"), \ + OPT_U64('\0', "sve-vl", &(cfg)->sve_vl, \ + "SVE Vector Length the VM" \ + "(only supported for Realms)"), #include "arm-common/kvm-config-arch.h" diff --git a/arm/aarch64/kvm.c b/arm/aarch64/kvm.c index 4798e359..fca1410b 100644 --- a/arm/aarch64/kvm.c +++ b/arm/aarch64/kvm.c @@ -51,13 +51,19 @@ static void validate_mem_cfg(struct kvm *kvm) } } +#define SVE_VL_ALIGN 128 + static void validate_realm_cfg(struct kvm *kvm) { + u32 sve_vl; + if (!kvm->cfg.arch.is_realm) { if (kvm->cfg.arch.measurement_algo) die("--measurement-algo valid only with --realm"); if (kvm->cfg.arch.realm_pv) die("--realm-pv valid only with --realm"); + if (kvm->cfg.arch.sve_vl) + die("--sve-vl valid only with --realm"); return; } @@ -76,6 +82,23 @@ static void validate_realm_cfg(struct kvm *kvm) kvm->arch.measurement_algo = KVM_CAP_ARM_RME_MEASUREMENT_ALGO_SHA256; } + sve_vl = kvm->cfg.arch.sve_vl; + if (sve_vl) { + if (kvm->cfg.arch.disable_sve) + die("SVE VL requested when SVE is disabled"); + if (!IS_ALIGNED(sve_vl, SVE_VL_ALIGN)) + die("SVE VL is not aligned to %dbit\n", SVE_VL_ALIGN); + kvm->arch.sve_vq = (sve_vl / SVE_VL_ALIGN) - 1; + } else { + /* + * Disable SVE for Realms, if a VL is not requested. + * The SVE VL will be measured as part of the parameter + * and we do not want to add an unknown entity to the + * measurement. + */ + kvm->cfg.arch.disable_sve = true; + } + if (kvm->cfg.arch.realm_pv) { if (strlen(kvm->cfg.arch.realm_pv) > KVM_CAP_ARM_RME_RPV_SIZE) die("Invalid size for Realm Personalization Value\n"); diff --git a/arm/aarch64/realm.c b/arm/aarch64/realm.c index 2e0be982..fc7f8d6a 100644 --- a/arm/aarch64/realm.c +++ b/arm/aarch64/realm.c @@ -42,10 +42,31 @@ static void realm_configure_rpv(struct kvm *kvm) die_perror("KVM_CAP_RME(KVM_CAP_ARM_RME_CONFIG_REALM) RPV"); } +static void realm_configure_sve(struct kvm *kvm) +{ + struct kvm_cap_arm_rme_config_item sve_cfg = { + .cfg = KVM_CAP_ARM_RME_CFG_SVE, + .sve_vq = kvm->arch.sve_vq, + }; + + struct kvm_enable_cap rme_config = { + .cap = KVM_CAP_ARM_RME, + .args[0] = KVM_CAP_ARM_RME_CONFIG_REALM, + .args[1] = (u64)&sve_cfg, + }; + + if (kvm->cfg.arch.disable_sve) + return; + + if (ioctl(kvm->vm_fd, KVM_ENABLE_CAP, &rme_config) < 0) + die_perror("KVM_CAP_RME(KVM_CAP_ARM_RME_CONFIG_REALM) SVE"); +} + static void realm_configure_parameters(struct kvm *kvm) { realm_configure_hash_algo(kvm); realm_configure_rpv(kvm); + realm_configure_sve(kvm); } void kvm_arm_realm_create_realm_descriptor(struct kvm *kvm) diff --git a/arm/include/arm-common/kvm-arch.h b/arm/include/arm-common/kvm-arch.h index 68224b1c..41b31f11 100644 --- a/arm/include/arm-common/kvm-arch.h +++ b/arm/include/arm-common/kvm-arch.h @@ -114,6 +114,7 @@ struct kvm_arch { cpu_set_t *vcpu_affinity_cpuset; u64 measurement_algo; + u64 sve_vq; }; #endif /* ARM_COMMON__KVM_ARCH_H */ diff --git a/arm/include/arm-common/kvm-config-arch.h b/arm/include/arm-common/kvm-config-arch.h index 80a3b18e..d923fd9e 100644 --- a/arm/include/arm-common/kvm-config-arch.h +++ b/arm/include/arm-common/kvm-config-arch.h @@ -19,6 +19,7 @@ struct kvm_config_arch { u64 fw_addr; bool no_pvtime; bool disable_sve; + u64 sve_vl; }; int irqchip_parser(const struct option *opt, const char *arg, int unset); -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-01-27 11:40 UTC|newest] Thread overview: 386+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-01-27 11:22 [RFC] Support for Arm CCA VMs on Linux Suzuki K Poulose 2023-01-27 11:22 ` Suzuki K Poulose 2023-01-27 11:27 ` [RFC PATCH 00/14] arm64: Support for running as a guest in Arm CCA Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 01/14] arm64: remove redundant 'extern' Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 02/14] arm64: rsi: Add RSI definitions Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 03/14] arm64: Detect if in a realm and set RIPAS RAM Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 04/14] arm64: realm: Query IPA size from the RMM Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 05/14] arm64: Mark all I/O as non-secure shared Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 06/14] fixmap: Allow architecture overriding set_fixmap_io Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 07/14] arm64: Override set_fixmap_io Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 08/14] arm64: Make the PHYS_MASK_SHIFT dynamic Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-29 2:59 ` kernel test robot 2023-01-29 20:54 ` kernel test robot 2023-01-27 11:27 ` [RFC PATCH 09/14] arm64: Enforce bounce buffers for realm DMA Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 10/14] arm64: Enable memory encrypt for Realms Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 11/14] arm64: Force device mappings to be non-secure shared Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 12/14] efi: arm64: Map Device with Prot Shared Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 13/14] arm64: realm: Support nonsecure ITS emulation shared Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:27 ` [RFC PATCH 14/14] HACK: Accept prototype RSI version Steven Price 2023-01-27 11:27 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 00/28] arm64: Support for Arm CCA in KVM Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 01/28] arm64: RME: Handle Granule Protection Faults (GPFs) Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 02/28] arm64: RME: Add SMC definitions for calling the RMM Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 03/28] arm64: RME: Add wrappers for RMI calls Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-13 16:43 ` Zhi Wang 2023-02-13 16:43 ` Zhi Wang 2024-03-18 7:03 ` Ganapatrao Kulkarni 2024-03-18 7:03 ` Ganapatrao Kulkarni 2024-03-18 11:22 ` Steven Price 2024-03-18 11:22 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 04/28] arm64: RME: Check for RME support at KVM init Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-13 15:48 ` Zhi Wang 2023-02-13 15:48 ` Zhi Wang 2023-02-13 15:59 ` Steven Price 2023-02-13 15:59 ` Steven Price 2023-03-04 12:07 ` Zhi Wang 2023-03-04 12:07 ` Zhi Wang 2023-02-13 15:55 ` Zhi Wang 2023-02-13 15:55 ` Zhi Wang 2024-03-18 7:17 ` Ganapatrao Kulkarni 2024-03-18 7:17 ` Ganapatrao Kulkarni 2024-03-18 11:22 ` Steven Price 2024-03-18 11:22 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 05/28] arm64: RME: Define the user ABI Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-29 0:46 ` kernel test robot 2023-02-13 16:04 ` Zhi Wang 2023-02-13 16:04 ` Zhi Wang 2023-03-01 11:54 ` Steven Price 2023-03-01 11:54 ` Steven Price 2023-03-01 20:21 ` Zhi Wang 2023-03-01 20:21 ` Zhi Wang 2023-01-27 11:29 ` [RFC PATCH 06/28] arm64: RME: ioctls to create and configure realms Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-29 6:34 ` kernel test robot 2023-02-07 12:25 ` Jean-Philippe Brucker 2023-02-07 12:25 ` Jean-Philippe Brucker 2023-02-07 12:55 ` Suzuki K Poulose 2023-02-07 12:55 ` Suzuki K Poulose 2023-02-13 16:10 ` Zhi Wang 2023-02-13 16:10 ` Zhi Wang 2023-03-01 11:55 ` Steven Price 2023-03-01 11:55 ` Steven Price 2023-03-01 20:33 ` Zhi Wang 2023-03-01 20:33 ` Zhi Wang 2023-03-06 19:10 ` Zhi Wang 2023-03-06 19:10 ` Zhi Wang 2023-03-10 15:47 ` Steven Price 2023-03-10 15:47 ` Steven Price 2024-03-18 7:40 ` Ganapatrao Kulkarni 2024-03-18 7:40 ` Ganapatrao Kulkarni 2024-03-18 11:22 ` Steven Price 2024-03-18 11:22 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 07/28] arm64: kvm: Allow passing machine type in KVM creation Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-13 16:35 ` Zhi Wang 2023-02-13 16:35 ` Zhi Wang 2023-03-01 11:55 ` Steven Price 2023-03-01 11:55 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 08/28] arm64: RME: Keep a spare page delegated to the RMM Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-13 16:47 ` Zhi Wang 2023-02-13 16:47 ` Zhi Wang 2023-03-01 11:55 ` Steven Price 2023-03-01 11:55 ` Steven Price 2023-03-01 20:50 ` Zhi Wang 2023-03-01 20:50 ` Zhi Wang 2023-01-27 11:29 ` [RFC PATCH 09/28] arm64: RME: RTT handling Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-13 17:44 ` Zhi Wang 2023-02-13 17:44 ` Zhi Wang 2023-03-03 14:04 ` Steven Price 2023-03-03 14:04 ` Steven Price 2023-03-04 12:32 ` Zhi Wang 2023-03-04 12:32 ` Zhi Wang 2024-03-18 11:01 ` Ganapatrao Kulkarni 2024-03-18 11:01 ` Ganapatrao Kulkarni 2024-03-18 11:25 ` Steven Price 2024-03-18 11:25 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 10/28] arm64: RME: Allocate/free RECs to match vCPUs Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-13 18:08 ` Zhi Wang 2023-02-13 18:08 ` Zhi Wang 2023-03-03 14:05 ` Steven Price 2023-03-03 14:05 ` Steven Price 2023-03-04 12:46 ` Zhi Wang 2023-03-04 12:46 ` Zhi Wang 2023-01-27 11:29 ` [RFC PATCH 11/28] arm64: RME: Support for the VGIC in realms Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 12/28] KVM: arm64: Support timers in realm RECs Steven Price 2023-01-27 11:29 ` Steven Price 2024-03-18 11:28 ` Ganapatrao Kulkarni 2024-03-18 11:28 ` Ganapatrao Kulkarni 2024-03-18 14:14 ` Steven Price 2024-03-18 14:14 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 13/28] arm64: RME: Allow VMM to set RIPAS Steven Price 2023-01-27 11:29 ` Steven Price 2023-02-17 13:07 ` Zhi Wang 2023-02-17 13:07 ` Zhi Wang 2023-03-03 14:05 ` Steven Price 2023-03-03 14:05 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 14/28] arm64: RME: Handle realm enter/exit Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 15/28] KVM: arm64: Handle realm MMIO emulation Steven Price 2023-01-27 11:29 ` Steven Price 2023-03-06 15:37 ` Zhi Wang 2023-03-06 15:37 ` Zhi Wang 2023-03-10 15:47 ` Steven Price 2023-03-10 15:47 ` Steven Price 2023-03-14 15:44 ` Zhi Wang 2023-03-14 15:44 ` Zhi Wang 2023-03-22 11:51 ` Steven Price 2023-03-22 11:51 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 16/28] arm64: RME: Allow populating initial contents Steven Price 2023-01-27 11:29 ` Steven Price 2023-03-06 17:34 ` Zhi Wang 2023-03-06 17:34 ` Zhi Wang 2023-03-10 15:47 ` Steven Price 2023-03-10 15:47 ` Steven Price 2023-03-14 15:31 ` Zhi Wang 2023-03-14 15:31 ` Zhi Wang 2023-03-22 11:51 ` Steven Price 2023-03-22 11:51 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 17/28] arm64: RME: Runtime faulting of memory Steven Price 2023-01-27 11:29 ` Steven Price 2023-03-06 18:20 ` Zhi Wang 2023-03-06 18:20 ` Zhi Wang 2023-03-10 15:47 ` Steven Price 2023-03-10 15:47 ` Steven Price 2023-03-14 16:41 ` Zhi Wang 2023-03-14 16:41 ` Zhi Wang 2023-01-27 11:29 ` [RFC PATCH 18/28] KVM: arm64: Handle realm VCPU load Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 19/28] KVM: arm64: Validate register access for a Realm VM Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 20/28] KVM: arm64: Handle Realm PSCI requests Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 21/28] KVM: arm64: WARN on injected undef exceptions Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 22/28] arm64: Don't expose stolen time for realm guests Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 23/28] KVM: arm64: Allow activating realms Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 24/28] arm64: rme: allow userspace to inject aborts Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 25/28] arm64: rme: support RSI_HOST_CALL Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 26/28] arm64: rme: Allow checking SVE on VM instance Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 27/28] arm64: RME: Always use 4k pages for realms Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:29 ` [RFC PATCH 28/28] HACK: Accept prototype RMI versions Steven Price 2023-01-27 11:29 ` Steven Price 2023-01-27 11:39 ` [RFC kvmtool 00/31] arm64: Support for Arm Confidential Compute Architecture Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 01/31] arm64: Disable MTE when CFI flash is emulated Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 02/31] script: update_headers: Ignore missing architectures Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 03/31] hw: cfi flash: Handle errors in memory transitions Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 04/31] Add --nocompat option to disable compat warnings Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 12:19 ` Alexandru Elisei 2023-01-27 12:19 ` Alexandru Elisei 2023-01-27 11:39 ` [RFC kvmtool 05/31] arm64: Check pvtime support against the KVM instance Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 06/31] arm64: Check SVE capability on the VM instance Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 07/31] arm64: Add option to disable SVE Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 08/31] linux: Update kernel headers for RME support Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 09/31] arm64: Add --realm command line option Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 10/31] arm64: Create a realm virtual machine Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 11/31] arm64: Lock realm RAM in memory Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 12/31] arm64: Create Realm Descriptor Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 13/31] arm64: Add --measurement-algo command line option for a realm Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 14/31] arm64: Add configuration step for Realms Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 15/31] arm64: Add support for Realm Personalisation Value Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose [this message] 2023-01-27 11:39 ` [RFC kvmtool 16/31] arm64: Add support for specifying the SVE vector length for Realm Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 17/31] arm: Add kernel size to VM context Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 18/31] arm64: Populate initial realm contents Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-03-02 14:03 ` Piotr Sawicki 2023-03-02 14:03 ` Piotr Sawicki 2023-03-02 14:06 ` Suzuki K Poulose 2023-03-02 14:06 ` Suzuki K Poulose 2023-10-02 9:28 ` Piotr Sawicki 2023-10-02 9:28 ` Piotr Sawicki 2023-01-27 11:39 ` [RFC kvmtool 19/31] arm64: Don't try to set PSTATE for VCPUs belonging to a realm Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 20/31] arm64: Finalize realm VCPU after reset Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 21/31] init: Add last_{init, exit} list macros Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 22/31] arm64: Activate realm before the first VCPU is run Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 23/31] arm64: Specify SMC as the PSCI conduits for realms Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 24/31] arm64: Don't try to debug a realm Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 25/31] arm64: realm: Double the IPA space Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 26/31] virtio: Add a wrapper for get_host_features Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 27/31] virtio: Add arch specific hook for virtio host flags Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 28/31] arm64: realm: Enforce virtio F_ACCESS_PLATFORM flag Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 29/31] mmio: add arch hook for an unhandled MMIO access Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 30/31] arm64: realm: inject an abort on " Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-01-27 11:39 ` [RFC kvmtool 31/31] arm64: Allow the user to create a realm Suzuki K Poulose 2023-01-27 11:39 ` Suzuki K Poulose 2023-10-02 9:45 ` [RFC kvmtool 00/31] arm64: Support for Arm Confidential Compute Architecture Piotr Sawicki 2023-10-02 9:45 ` Piotr Sawicki 2023-01-27 11:40 ` [RFC kvm-unit-tests 00/27] " Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 01/27] lib/string: include stddef.h for size_t Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-31 14:43 ` Thomas Huth 2023-01-31 14:43 ` Thomas Huth 2023-01-27 11:40 ` [RFC kvm-unit-tests 02/27] arm: Expand SMCCC arguments and return values Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 03/27] arm: realm: Add RSI interface header Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 04/27] arm: Make physical address mask dynamic Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 05/27] arm: Introduce NS_SHARED PTE attribute Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 06/27] arm: Move io_init after vm initialization Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 07/27] arm: realm: Make uart available before MMU is enabled Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 08/27] arm: realm: Realm initialisation Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 09/27] arm: realm: Add support for changing the state of memory Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 10/27] arm: realm: Set RIPAS state for RAM Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 11/27] arm: realm: Early memory setup Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 12/27] arm: realm: Add RSI version test Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 13/27] arm: selftest: realm: skip pabt test when running in a realm Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 14/27] arm: realm: add hvc and RSI_HOST_CALL tests Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 15/27] arm: realm: Add test for FPU/SIMD context save/restore Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 16/27] arm: realm: Add tests for in realm SEA Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 17/27] lib/alloc_page: Add shared page allocation support Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:40 ` [RFC kvm-unit-tests 18/27] arm: gic-v3-its: Use shared pages wherever needed Joey Gouly 2023-01-27 11:40 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 19/27] arm: realm: Enable memory encryption Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 20/27] qcbor: Add QCBOR as a submodule Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 21/27] arm: Add build steps for QCBOR library Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 22/27] arm: Add a library to verify tokens using the " Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 23/27] arm: realm: add RSI interface for attestation measurements Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 24/27] arm: realm: Add helpers to decode RSI return codes Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 25/27] arm: realm: Add Realm attestation tests Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 26/27] arm: realm: Add a test for shared memory Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 11:41 ` [RFC kvm-unit-tests 27/27] NOT-FOR-MERGING: add run-realm-tests Joey Gouly 2023-01-27 11:41 ` Joey Gouly 2023-01-27 15:26 ` [RFC] Support for Arm CCA VMs on Linux Jean-Philippe Brucker 2023-01-27 15:26 ` Jean-Philippe Brucker 2023-02-28 23:35 ` Itaru Kitayama 2023-02-28 23:35 ` Itaru Kitayama 2023-03-01 9:20 ` Jean-Philippe Brucker 2023-03-01 9:20 ` Jean-Philippe Brucker 2023-03-01 22:12 ` Itaru Kitayama 2023-03-01 22:12 ` Itaru Kitayama 2023-03-02 9:18 ` Jean-Philippe Brucker 2023-03-02 9:18 ` Jean-Philippe Brucker 2023-03-03 9:46 ` Jean-Philippe Brucker 2023-03-03 9:46 ` Jean-Philippe Brucker 2023-03-03 9:54 ` Suzuki K Poulose 2023-03-03 9:54 ` Suzuki K Poulose 2023-03-03 11:39 ` Jean-Philippe Brucker 2023-03-03 11:39 ` Jean-Philippe Brucker 2023-03-03 12:08 ` Andrew Jones 2023-03-03 12:08 ` Andrew Jones 2023-03-03 12:19 ` Suzuki K Poulose 2023-03-03 12:19 ` Suzuki K Poulose 2023-03-03 13:06 ` Cornelia Huck 2023-03-03 13:06 ` Cornelia Huck 2023-03-03 13:57 ` Jean-Philippe Brucker 2023-03-03 13:57 ` Jean-Philippe Brucker 2023-02-10 16:51 ` Ryan Roberts 2023-02-10 16:51 ` Ryan Roberts 2023-02-10 22:53 ` Itaru Kitayama 2023-02-10 22:53 ` Itaru Kitayama 2023-02-17 8:02 ` Itaru Kitayama 2023-02-17 8:02 ` Itaru Kitayama 2023-02-20 10:51 ` Ryan Roberts 2023-02-20 10:51 ` Ryan Roberts 2023-02-14 17:13 ` Dr. David Alan Gilbert 2023-02-14 17:13 ` Dr. David Alan Gilbert 2023-03-01 9:58 ` Suzuki K Poulose 2023-03-01 9:58 ` Suzuki K Poulose 2023-03-02 16:46 ` Dr. David Alan Gilbert 2023-03-02 16:46 ` Dr. David Alan Gilbert 2023-03-02 19:02 ` Suzuki K Poulose 2023-03-02 19:02 ` Suzuki K Poulose 2023-07-14 13:46 ` Jonathan Cameron 2023-07-14 13:46 ` Jonathan Cameron 2023-07-14 13:46 ` Jonathan Cameron 2023-07-14 15:03 ` Suzuki K Poulose 2023-07-14 15:03 ` Suzuki K Poulose 2023-07-14 16:28 ` Jonathan Cameron 2023-07-14 16:28 ` Jonathan Cameron 2023-07-14 16:28 ` Jonathan Cameron 2023-07-17 9:40 ` Suzuki K Poulose 2023-07-17 9:40 ` Suzuki K Poulose 2023-10-02 12:43 ` Suzuki K Poulose 2023-10-02 12:43 ` Suzuki K Poulose 2024-01-10 5:40 ` Itaru Kitayama 2024-01-10 5:40 ` Itaru Kitayama 2024-01-10 11:41 ` Suzuki K Poulose 2024-01-10 11:41 ` Suzuki K Poulose 2024-01-10 13:44 ` Suzuki K Poulose 2024-01-10 13:44 ` Suzuki K Poulose 2024-01-19 1:26 ` Itaru Kitayama 2024-01-19 1:26 ` Itaru Kitayama 2024-01-12 5:01 ` Itaru Kitayama 2024-01-12 5:01 ` Itaru Kitayama
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