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no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: taketani.ryo@fujitsu.com X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1769076226655154100 Content-Type: text/plain; charset="utf-8" From: Akio Kakuno - Add ARM CCA support to the qemu driver for aarch64 systems. [XML example] ... sha256 ... Signed-off-by: Kazuhiro Abe --- docs/formatdomain.rst | 46 ++++++++++++++++++++++++++++++++++ src/conf/domain_capabilities.h | 6 +++++ src/conf/domain_conf.c | 25 ++++++++++++++++++ src/conf/domain_conf.h | 9 +++++++ src/conf/domain_validate.c | 1 + src/conf/virconftypes.h | 2 ++ src/qemu/qemu_capabilities.c | 4 +++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_cgroup.c | 2 ++ src/qemu/qemu_command.c | 30 ++++++++++++++++++++++ src/qemu/qemu_driver.c | 2 ++ src/qemu/qemu_firmware.c | 1 + src/qemu/qemu_namespace.c | 2 ++ src/qemu/qemu_process.c | 4 +++ src/qemu/qemu_validate.c | 4 +++ src/security/security_dac.c | 2 ++ 16 files changed, 141 insertions(+) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 04ef319a73..19c6006980 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -9728,6 +9728,52 @@ Example configuration: ``/var/run/tdx-qgs/qgs.socket`` is used as default. User in TD guest ca= nnot get TD quoting for attestation if this subelement is not provided. =20 +The contents of the ```` element is used to c= reate +RealmVM using the Arm CCA feature (Confidential Compute Architecture). +CCA :since:`Since 11.0.0` enhances the virtualization capabilities of the +platform by separating the management of resources from access to those re= sources. +This is achieved by extending the TrustZone of Cortex-A's Normal and Secure +world concepts and adding the Realm world and the underlying Root world. +The Secure Monitor runs in the root world and manages the transition betwe= en +these security states. For more information see the Learn the architecture= - +Arm Confidential Compute Architecture software stack: +``__ + +:: + + + ... + + sha256 + ... + + ... + + +The ```` element accepts the following attributes: + +``measurement-algo`` + The optional ``measurement-algo`` element determines algorithm used to + describe blob hashes. + The default value, when omitted, is determined by QEMU. + +``personalization-value`` + The optional ``personalization-value`` element is used to configure + the Realm Personalization Value (RPV). The Realm Personalization + Value (RPV) is provided by the user to distinguish Realms that have + the same initial measurement. The personalization-value for libvirt + must be an 88-character string representing the Base64 encoding of + the 64-byte hexadecimal value defined in the RMM specification. + Ensure that you encode the 64-byte hex value from the RMM specification + using Base64 before providing it to libvirt. + The default value, when omitted, is determined by QEMU. + +``measurement-log`` + The optional ``measurement-log`` element provides a way to create + an event log in the format defined by the Trusted Computing Group + for TPM2. + The default value, when omitted, is determined by QEMU. + Example configs =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h index 437981c711..0ce68b44ef 100644 --- a/src/conf/domain_capabilities.h +++ b/src/conf/domain_capabilities.h @@ -245,6 +245,12 @@ struct _virSGXCapability { virSGXSection *sgxSections; }; =20 +typedef struct _virCCACapability virCCACapability; +struct _virCCACapability { + size_t nCcaMeasurementAlgo; + char **ccaMeasurementAlgo; +}; + STATIC_ASSERT_ENUM(VIR_DOMAIN_CRYPTO_MODEL_LAST); STATIC_ASSERT_ENUM(VIR_DOMAIN_CRYPTO_TYPE_LAST); STATIC_ASSERT_ENUM(VIR_DOMAIN_CRYPTO_BACKEND_LAST); diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 9ca5c2450c..3a8f9c0316 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -1545,6 +1545,7 @@ VIR_ENUM_IMPL(virDomainLaunchSecurity, "sev-snp", "s390-pv", "tdx", + "cca", ); =20 VIR_ENUM_IMPL(virDomainPstoreBackend, @@ -3972,6 +3973,10 @@ virDomainSecDefFree(virDomainSecDef *def) g_free(def->data.tdx.mrownerconfig); g_free(def->data.tdx.qgs_unix_path); break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + g_free(def->data.cca.measurement_algo); + g_free(def->data.cca.personalization_value); + break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: @@ -14316,6 +14321,21 @@ virDomainTDXDefParseXML(virDomainTDXDef *def, } =20 =20 +static int +virDomainCCADefParseXML(virDomainCCADef *def, + xmlXPathContextPtr ctxt) +{ + def->measurement_algo =3D virXPathString("string(./measurement-algo)",= ctxt); + def->personalization_value =3D virXPathString("string(./personalizatio= n-value)", ctxt); + + if (virXMLPropTristateBool(ctxt->node, "measurement-log", VIR_XML_PROP= _NONE, + &def->measurement_log) < 0) + return -1; + + return 0; +} + + static virDomainSecDef * virDomainSecDefParseXML(xmlNodePtr lsecNode, xmlXPathContextPtr ctxt) @@ -14345,6 +14365,10 @@ virDomainSecDefParseXML(xmlNodePtr lsecNode, break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + if (virDomainCCADefParseXML(&sec->data.cca, ctxt) < 0) + return NULL; + break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: default: @@ -28021,6 +28045,7 @@ virDomainSecDefFormat(virBuffer *buf, virDomainSecD= ef *sec) break; =20 case VIR_DOMAIN_LAUNCH_SECURITY_PV: + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: break; =20 case VIR_DOMAIN_LAUNCH_SECURITY_NONE: diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index cb35ff06bd..dfe903e85e 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2976,6 +2976,7 @@ typedef enum { VIR_DOMAIN_LAUNCH_SECURITY_SEV_SNP, VIR_DOMAIN_LAUNCH_SECURITY_PV, VIR_DOMAIN_LAUNCH_SECURITY_TDX, + VIR_DOMAIN_LAUNCH_SECURITY_CCA, =20 VIR_DOMAIN_LAUNCH_SECURITY_LAST, } virDomainLaunchSecurity; @@ -3029,12 +3030,20 @@ struct _virDomainTDXDef { #define VIR_DOMAIN_TDX_POLICY_ALLOWED_MASK (VIR_DOMAIN_TDX_POLICY_DE= BUG | \ VIR_DOMAIN_TDX_POLICY_SE= PT_VE_DISABLE) =20 +struct _virDomainCCADef { + char *measurement_algo; + char *personalization_value; + virTristateBool measurement_log; +}; + + struct _virDomainSecDef { virDomainLaunchSecurity sectype; union { virDomainSEVDef sev; virDomainSEVSNPDef sev_snp; virDomainTDXDef tdx; + virDomainCCADef cca; } data; }; =20 diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c index 7346a61731..0a82f63aee 100644 --- a/src/conf/domain_validate.c +++ b/src/conf/domain_validate.c @@ -2000,6 +2000,7 @@ virDomainDefLaunchSecurityValidate(const virDomainDef= *def) case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_SEV: case VIR_DOMAIN_LAUNCH_SECURITY_PV: + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: break; } diff --git a/src/conf/virconftypes.h b/src/conf/virconftypes.h index 6e2573035a..475ec99a4e 100644 --- a/src/conf/virconftypes.h +++ b/src/conf/virconftypes.h @@ -224,6 +224,8 @@ typedef struct _virDomainSEVSNPDef virDomainSEVSNPDef; =20 typedef struct _virDomainTDXDef virDomainTDXDef; =20 +typedef struct _virDomainCCADef virDomainCCADef; + typedef struct _virDomainSecDef virDomainSecDef; =20 typedef struct _virDomainShmemDef virDomainShmemDef; diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 92b863a826..9a2eadb673 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -755,6 +755,7 @@ VIR_ENUM_IMPL(virQEMUCaps, "disk-timed-stats", /* QEMU_CAPS_DISK_TIMED_STATS */ "query-accelerators", /* QEMU_CAPS_QUERY_ACCELERATORS */ "mshv", /* QEMU_CAPS_MSHV */ + "rme-guest", /* QEMU_CAPS_CCA_GUEST */ ); =20 =20 @@ -840,6 +841,8 @@ struct _virQEMUCaps { =20 virSGXCapability *sgxCapabilities; =20 + virCCACapability *ccaCapabilities; + virDomainCapsFeatureHyperv *hypervCapabilities; =20 /* Capabilities which may differ depending on the accelerator. */ @@ -1462,6 +1465,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[= ] =3D { { "tpm-emulator", QEMU_CAPS_DEVICE_TPM_EMULATOR }, { "tpm-passthrough", QEMU_CAPS_DEVICE_TPM_PASSTHROUGH }, { "acpi-generic-initiator", QEMU_CAPS_ACPI_GENERIC_INITIATOR }, + { "rme-guest", QEMU_CAPS_CCA_GUEST }, }; =20 =20 diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index f180844e66..71e3440180 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -730,6 +730,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for = syntax-check */ QEMU_CAPS_DISK_TIMED_STATS, /* timed stats support ('stats-intervals' = property of disk frontends) */ QEMU_CAPS_QUERY_ACCELERATORS, /* query-accelerators command */ QEMU_CAPS_MSHV, /* -accel mshv */ + QEMU_CAPS_CCA_GUEST, /* -object rme-guest */ =20 QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c index 7dadef0739..9adb4bed1c 100644 --- a/src/qemu/qemu_cgroup.c +++ b/src/qemu/qemu_cgroup.c @@ -874,6 +874,8 @@ qemuSetupDevicesCgroup(virDomainObj *vm) if (qemuSetupSEVCgroup(vm) < 0) return -1; break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: break; diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 0de0a79b46..d12c84e048 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -7244,6 +7244,9 @@ qemuBuildMachineCommandLine(virCommand *cmd, case VIR_DOMAIN_LAUNCH_SECURITY_TDX: virBufferAddLit(&buf, ",confidential-guest-support=3Dlsec0"); break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + virBufferAddLit(&buf, ",confidential-guest-support=3Drme0"); + break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sec= type); @@ -10052,6 +10055,29 @@ qemuBuildTDXCommandLine(virCommand *cmd, virDomain= TDXDef *tdx) } =20 =20 +static int +qemuBuildCCACommandLine(virCommand *cmd, virDomainCCADef *cca) +{ + g_autoptr(virJSONValue) props =3D NULL; + + VIR_DEBUG("measurement_algorithm=3D%s personalization_value=3D%s measu= rement_log=3D%d", + cca->measurement_algo, cca->personalization_value, + cca->measurement_log); + + if (qemuMonitorCreateObjectProps(&props, "rme-guest", "rme0", + "S:measurement-algorithm", cca->measu= rement_algo, + "S:personalization-value", cca->perso= nalization_value, + "T:measurement-log", cca->measurement= _log, + NULL) < 0) + return -1; + + if (qemuBuildObjectCommandlineFromJSON(cmd, props) < 0) + return -1; + + return 0; +} + + static int qemuBuildSecCommandLine(virDomainObj *vm, virCommand *cmd, virDomainSecDef *sec) @@ -10071,6 +10097,10 @@ qemuBuildSecCommandLine(virDomainObj *vm, virComma= nd *cmd, =20 case VIR_DOMAIN_LAUNCH_SECURITY_TDX: return qemuBuildTDXCommandLine(cmd, &sec->data.tdx); + + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + return qemuBuildCCACommandLine(cmd, &sec->data.cca); + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype); diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 3f154969b8..619d80bc24 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -19452,6 +19452,8 @@ qemuDomainGetLaunchSecurityInfo(virDomainPtr domain, if (qemuDomainGetSEVInfo(vm, list, flags) < 0) goto cleanup; break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: break; diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c index 52205b72f8..9391956521 100644 --- a/src/qemu/qemu_firmware.c +++ b/src/qemu/qemu_firmware.c @@ -1401,6 +1401,7 @@ qemuFirmwareMatchDomain(const virDomainDef *def, break; =20 case VIR_DOMAIN_LAUNCH_SECURITY_PV: + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: break; =20 case VIR_DOMAIN_LAUNCH_SECURITY_NONE: diff --git a/src/qemu/qemu_namespace.c b/src/qemu/qemu_namespace.c index c689cc3e40..6ba7e5cab4 100644 --- a/src/qemu/qemu_namespace.c +++ b/src/qemu/qemu_namespace.c @@ -672,6 +672,8 @@ qemuDomainSetupLaunchSecurity(virDomainObj *vm, =20 VIR_DEBUG("Set up launch security for SEV"); break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: break; diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index a53bb40783..ebf1e27ccf 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -7144,6 +7144,8 @@ qemuProcessPrepareDomain(virQEMUDriver *driver, if (qemuProcessUpdateSEVInfo(vm) < 0) return -1; break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: break; @@ -7217,6 +7219,8 @@ qemuProcessPrepareLaunchSecurityGuestInput(virDomainO= bj *vm) return qemuProcessPrepareSEVGuestInput(vm); case VIR_DOMAIN_LAUNCH_SECURITY_SEV_SNP: break; + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + return 0; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: return 0; diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 184c23d307..167a4b532f 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1512,6 +1512,10 @@ qemuValidateDomainDef(const virDomainDef *def, return -1; } break; + + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sec= type); diff --git a/src/security/security_dac.c b/src/security/security_dac.c index 2f788b872a..3c85f0bc15 100644 --- a/src/security/security_dac.c +++ b/src/security/security_dac.c @@ -2018,6 +2018,7 @@ virSecurityDACRestoreAllLabel(virSecurityManager *mgr, break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: @@ -2265,6 +2266,7 @@ virSecurityDACSetAllLabel(virSecurityManager *mgr, break; case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_TDX: + case VIR_DOMAIN_LAUNCH_SECURITY_CCA: break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: --=20 2.43.0 From nobody Mon Feb 2 05:58:32 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail header.i=@fujitsu.com; 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X-CSE-ConnectionGUID: c5NlnB3eTbOWzZQ1eUCO1A== X-CSE-MsgGUID: 3qw5szQhStqw6wQHk90sTA== X-IronPort-AV: E=McAfee;i="6800,10657,11678"; a="205679455" X-IronPort-AV: E=Sophos;i="6.21,246,1763391600"; d="scan'208";a="205679455" From: Kazuhiro Abe To: devel@lists.libvirt.org Subject: [RFC PATCH v5 2/5] src: Add ARM CCA support in domain capabilities command Date: Thu, 22 Jan 2026 18:58:35 +0900 Message-ID: <20260122095930.3544797-3-fj1078ii@aa.jp.fujitsu.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260122095930.3544797-1-fj1078ii@aa.jp.fujitsu.com> References: <20260122095930.3544797-1-fj1078ii@aa.jp.fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: CX3T2235GVNLMXSKS4OK6DNB3N3KNDRT X-Message-ID-Hash: CX3T2235GVNLMXSKS4OK6DNB3N3KNDRT X-MailFrom: fj1078ii@aa.jp.fujitsu.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: taketani.ryo@fujitsu.com X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1769076340229158500 Content-Type: text/plain; charset="utf-8" From: Akio Kakuno - Add ARM CCA support in domain capabilies XML schema. [Capability example] - Execution results of 'virsh domcapability" on qemu ... ... sha256 sha512 ... Signed-off-by: Kazuhiro Abe --- docs/formatdomaincaps.rst | 27 +++++++- src/conf/domain_capabilities.c | 48 ++++++++++++++ src/conf/domain_capabilities.h | 6 ++ src/libvirt_private.syms | 1 + src/qemu/qemu_capabilities.c | 29 +++++++++ src/qemu/qemu_monitor.c | 10 +++ src/qemu/qemu_monitor.h | 3 + src/qemu/qemu_monitor_json.c | 111 +++++++++++++++++++++++++++++++++ src/qemu/qemu_monitor_json.h | 4 ++ 9 files changed, 238 insertions(+), 1 deletion(-) diff --git a/docs/formatdomaincaps.rst b/docs/formatdomaincaps.rst index 8b4f0ecff3..6d4f3a0092 100644 --- a/docs/formatdomaincaps.rst +++ b/docs/formatdomaincaps.rst @@ -735,6 +735,12 @@ capabilities. All features occur as children of the ma= in ``features`` element.
+ + + sha256 + sha512 + + relaxed @@ -862,6 +868,24 @@ document store. In order to use SGX with libvirt have = a look at `SGX in domain X ``sections`` The sections of the SGX enclave page cache (called EPC). =20 +CCA capabilities +^^^^^^^^^^^^^^^^ + +Arm Confidential Compute Architecture (CCA) capabilities are exposed under= the +``cca`` element. + +Arm CCA is a system solution comprised of hardware and software components= that +maximizes the security of data on devices and in the cloud. +CCA enhances the virtualization capabilities of the platform by separating= the +management of resources from access to those resources. + +For more details on the CCA feature, please follow resources in the CCA de= veloper's +document store. In order to use CCA with libvirt have a look at `CCA in do= main +XML `__ + +``measurement-algo`` + Options for the ``measurement-algo`` used to describe blob hashes. + =20 Hyper-V Enlightenments ^^^^^^^^^^^^^^^^^^^^^^ @@ -882,4 +906,5 @@ The ``sectype`` enum corresponds to ``type`` attribute = of ```` element as documented in `Launch Security `__. :since:`(Since 10.5.0)` For addit= ional information on individual types, see sections above: `s390-pv capability`_= for -S390 PV, `SEV capabilities`_ for AMD SEV and/or AMD SEV-SNP. +S390 PV, `SEV capabilities`_ for AMD SEV and/or AMD SEV-SNP, `CCA capabili= ties`_ +for Arm CCA. diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c index f843124695..9af3bf544c 100644 --- a/src/conf/domain_capabilities.c +++ b/src/conf/domain_capabilities.c @@ -118,6 +118,25 @@ virDomainCapsFeatureHypervCopy(virDomainCapsFeatureHyp= erv *cap) } =20 =20 +void +virCCACapabilitiesFree(virCCACapability *cap) +{ + size_t i; + + if (!cap) + return; + + if (cap->nCcaMeasurementAlgo) + for (i =3D 0; i < cap->nCcaMeasurementAlgo; i++) + g_free(cap->ccaMeasurementAlgo[i]); + + if (cap->ccaMeasurementAlgo) + g_free(cap->ccaMeasurementAlgo); + + g_free(cap); +} + + static void virDomainCapsDispose(void *obj) { @@ -131,6 +150,7 @@ virDomainCapsDispose(void *obj) virCPUDefFree(caps->cpu.hostModel); virSEVCapabilitiesFree(caps->sev); virSGXCapabilitiesFree(caps->sgx); + virCCACapabilitiesFree(caps->cca); virDomainCapsFeatureHypervFree(caps->hyperv); =20 values =3D &caps->os.loader.values; @@ -823,6 +843,33 @@ virDomainCapsFeatureSGXFormat(virBuffer *buf, virBufferAddLit(buf, "\n"); } =20 +static void +virDomainCapsFeatureCCAFormat(virBuffer *buf, + const virCCACapability *cca) +{ + size_t i; + + if (!cca) { + virBufferAddLit(buf, "\n"); + return; + } + + virBufferAddLit(buf, "\n"); + virBufferAdjustIndent(buf, 2); + + virBufferAddLit(buf, "\n"); + virBufferAdjustIndent(buf, 2); + for (i =3D 0; i < cca->nCcaMeasurementAlgo; i++) { + virBufferAsprintf(buf, "%s\n", + cca->ccaMeasurementAlgo[i]); + } + virBufferAdjustIndent(buf, -2); + virBufferAddLit(buf, "\n"); + + virBufferAdjustIndent(buf, -2); + virBufferAddLit(buf, "\n"); +} + static void virDomainCapsFeatureHypervFormat(virBuffer *buf, const virDomainCapsFeatureHyperv *hyperv) @@ -900,6 +947,7 @@ virDomainCapsFormatFeatures(const virDomainCaps *caps, =20 virDomainCapsFeatureSEVFormat(&childBuf, caps->sev); virDomainCapsFeatureSGXFormat(&childBuf, caps->sgx); + virDomainCapsFeatureCCAFormat(&childBuf, caps->cca); virDomainCapsFeatureHypervFormat(&childBuf, caps->hyperv); virDomainCapsLaunchSecurityFormat(&childBuf, &caps->launchSecurity); =20 diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h index 0ce68b44ef..ed73164f82 100644 --- a/src/conf/domain_capabilities.h +++ b/src/conf/domain_capabilities.h @@ -329,6 +329,7 @@ struct _virDomainCaps { virDomainCapsFeatureGIC gic; virSEVCapability *sev; virSGXCapability *sgx; + virCCACapability *cca; virDomainCapsFeatureHyperv *hyperv; virDomainCapsLaunchSecurity launchSecurity; /* add new domain features here */ @@ -395,3 +396,8 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainCapsFeatureHyper= v, virDomainCapsFeatureHy =20 virDomainCapsFeatureHyperv * virDomainCapsFeatureHypervCopy(virDomainCapsFeatureHyperv *cap); + +void +virCCACapabilitiesFree(virCCACapability *capabilities); + +G_DEFINE_AUTOPTR_CLEANUP_FUNC(virCCACapability, virCCACapabilitiesFree); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 4e57e4a8f6..e9250dfbbb 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -208,6 +208,7 @@ virDomainAuditVcpu; =20 =20 # conf/domain_capabilities.h +virCCACapabilitiesFree; virDomainCapsCPUModelsAdd; virDomainCapsCPUModelsCopy; virDomainCapsCPUModelsGet; diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 9a2eadb673..e152523850 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -3765,6 +3765,32 @@ virQEMUCapsProbeQMPSGXCapabilities(virQEMUCaps *qemu= Caps, } =20 =20 +static int +virQEMUCapsProbeQMPCCACapabilities(virQEMUCaps *qemuCaps, + qemuMonitor *mon) +{ + int rc =3D -1; + virCCACapability *caps =3D NULL; + + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CCA_GUEST)) + return 0; + + if ((rc =3D qemuMonitorGetCCACapabilities(mon, &caps)) < 0) + return -1; + + /* CCA isn't actually supported */ + if (rc =3D=3D 0) { + virQEMUCapsClear(qemuCaps, QEMU_CAPS_CCA_GUEST); + return 0; + } + + virCCACapabilitiesFree(qemuCaps->ccaCapabilities); + qemuCaps->ccaCapabilities =3D caps; + return 0; +} + + + /* * Filter for features which should never be passed to QEMU. Either because * QEMU never supported them or they were dropped as they never did anythi= ng @@ -5964,6 +5990,9 @@ virQEMUCapsInitQMPMonitor(virQEMUCaps *qemuCaps, return -1; if (virQEMUCapsProbeQMPSGXCapabilities(qemuCaps, mon) < 0) return -1; + if (virQEMUCapsProbeQMPCCACapabilities(qemuCaps, mon) < 0) + return -1; + virQEMUCapsProbeTDXCapabilities(qemuCaps); =20 virQEMUCapsInitProcessCaps(qemuCaps); diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c index 504500c864..2da0b38b17 100644 --- a/src/qemu/qemu_monitor.c +++ b/src/qemu/qemu_monitor.c @@ -3571,6 +3571,16 @@ qemuMonitorGetSGXCapabilities(qemuMonitor *mon, } =20 =20 +int +qemuMonitorGetCCACapabilities(qemuMonitor *mon, + virCCACapability **capabilities) +{ + QEMU_CHECK_MONITOR(mon); + + return qemuMonitorJSONGetCCACapabilities(mon, capabilities); +} + + int qemuMonitorNBDServerStart(qemuMonitor *mon, const virStorageNetHostDef *server, diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h index d096f474c1..5fb25b776f 100644 --- a/src/qemu/qemu_monitor.h +++ b/src/qemu/qemu_monitor.h @@ -969,6 +969,9 @@ int qemuMonitorSetMigrationParams(qemuMonitor *mon, virJSONValue **params); =20 +int qemuMonitorGetCCACapabilities(qemuMonitor *mon, + virCCACapability **capabilities); + typedef enum { QEMU_MONITOR_MIGRATION_STATUS_INACTIVE, QEMU_MONITOR_MIGRATION_STATUS_SETUP, diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index a602b1e65b..96fb83e738 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -6541,6 +6541,117 @@ qemuMonitorJSONGetSGXCapabilities(qemuMonitor *mon, } =20 =20 +static int +qemuMonitorJSONGetCCAMeasurementAlgo(qemuMonitor *mon, + size_t *numalgo, + char ***malgo) +{ + g_autoptr(virJSONValue) cmd =3D NULL; + g_autoptr(virJSONValue) reply =3D NULL; + virJSONValue *caps; + virJSONValue *section =3D NULL; + virJSONValue *malgolist =3D NULL; + g_auto(GStrv) list =3D NULL; + size_t i; + size_t n =3D 0; + + if (!(cmd =3D qemuMonitorJSONMakeCommand("query-rme-guest-capabilities= ", + NULL))) + return -1; + + if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0) + return -1; + + /* If the 'query-rme-guest-capabilities' QMP command was not available + * we simply successfully return zero capabilities. + * This the case for QEMU < (CCA support version) and all non-ARM arch= itectures. + * TODO: Replace (CCA support version) with the actual CCA support ver= sion upon merge. */ + if (qemuMonitorJSONHasError(reply, "CommandNotFound")) + return 0; + + if (qemuMonitorJSONHasError(reply, "GenericError")) + return 0; + + if (qemuMonitorJSONCheckError(cmd, reply) < 0) + return -1; + + if (!(caps =3D qemuMonitorJSONGetReply(cmd, reply, VIR_JSON_TYPE_OBJEC= T))) + return -1; + + if (!(section =3D virJSONValueObjectGetObject(caps, "section"))) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("query-rme-guest-capabilities reply was missing '= section' object")); + return -1; + } + + if (!(malgolist =3D virJSONValueObjectGetArray(section, "measurement-a= lgorithms"))) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("query-rme-guest-capabilities reply was missing '= measurement-algorithms' array")); + return -1; + } + + n =3D virJSONValueArraySize(malgolist); + + /* If the received 'measurement-algorithms' array is empty, an error i= s returned. */ + if (n =3D=3D 0) + return -1; + + list =3D g_new0(char *, n + 1); + + for (i =3D 0; i < n; i++) { + virJSONValue *algo =3D virJSONValueArrayGet(malgolist, i); + const char *measurement_algo =3D NULL; + + if (!algo || virJSONValueGetType(algo) !=3D VIR_JSON_TYPE_STRING) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("measurement-algorithms entry was not in expe= cted format")); + return -1; + } + + if (!(measurement_algo =3D virJSONValueGetString(algo))) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("failed to get measurement-algorithms string"= )); + return -1; + } + + list[i] =3D g_strdup(measurement_algo); + } + + *numalgo =3D n; + *malgo =3D g_steal_pointer(&list); + return 1; +} + + +/** + * qemuMonitorJSONGetCCACapabilities: + * @mon: qemu monitor object + * @capabilities: pointer to pointer to a CCA capability structure to be f= illed + * + * Returns -1 on error, 0 if CCA is not supported, and 1 if CCA is support= ed on + * the platform. + */ +int +qemuMonitorJSONGetCCACapabilities(qemuMonitor *mon, + virCCACapability **capabilities) +{ + g_autoptr(virCCACapability) capability =3D NULL; + int ret =3D 0; + + *capabilities =3D NULL; + capability =3D g_new0(virCCACapability, 1); + + ret =3D qemuMonitorJSONGetCCAMeasurementAlgo(mon, + &capability->nCcaMeasuremen= tAlgo, + &capability->ccaMeasurement= Algo); + + if (ret > 0) + *capabilities =3D g_steal_pointer(&capability); + + return ret; +} + + static virJSONValue * qemuMonitorJSONBuildInetSocketAddress(const char *host, const char *port) diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h index db9160eb68..6cf3778368 100644 --- a/src/qemu/qemu_monitor_json.h +++ b/src/qemu/qemu_monitor_json.h @@ -162,6 +162,10 @@ int qemuMonitorJSONGetSEVCapabilities(qemuMonitor *mon, virSEVCapability **capabilities); =20 +int +qemuMonitorJSONGetCCACapabilities(qemuMonitor *mon, + virCCACapability **capabilities); + int qemuMonitorJSONMigrate(qemuMonitor *mon, unsigned int flags, --=20 2.43.0 From nobody Mon Feb 2 05:58:32 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; 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X-CSE-ConnectionGUID: jQZq2SOIR4C75ZLlvhbBWg== X-CSE-MsgGUID: EHDTogvUQ5O98MsM82j6mQ== X-IronPort-AV: E=McAfee;i="6800,10657,11678"; a="226688123" X-IronPort-AV: E=Sophos;i="6.21,246,1763391600"; d="scan'208";a="226688123" From: Kazuhiro Abe To: devel@lists.libvirt.org Subject: [RFC PATCH v5 3/5] src: Add ARM CCA support in domain schema Date: Thu, 22 Jan 2026 18:58:36 +0900 Message-ID: <20260122095930.3544797-4-fj1078ii@aa.jp.fujitsu.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260122095930.3544797-1-fj1078ii@aa.jp.fujitsu.com> References: <20260122095930.3544797-1-fj1078ii@aa.jp.fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: 5OSME3QUHBUE3G6AZV6KJK6W74P74BB7 X-Message-ID-Hash: 5OSME3QUHBUE3G6AZV6KJK6W74P74BB7 X-MailFrom: fj1078ii@aa.jp.fujitsu.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: taketani.ryo@fujitsu.com X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1769076406624158500 Content-Type: text/plain; charset="utf-8" From: Akio Kakuno - Add ARM CCA support in domain schema files. Signed-off-by: Kazuhiro Abe --- src/conf/schemas/domaincaps.rng | 36 ++++++++++ src/conf/schemas/domaincommon.rng | 26 +++++++ src/qemu/qemu_capabilities.c | 113 ++++++++++++++++++++++++++++++ src/qemu/qemu_capabilities.h | 3 + 4 files changed, 178 insertions(+) diff --git a/src/conf/schemas/domaincaps.rng b/src/conf/schemas/domaincaps.= rng index 8d0380951d..d8ac4f11b5 100644 --- a/src/conf/schemas/domaincaps.rng +++ b/src/conf/schemas/domaincaps.rng @@ -376,6 +376,9 @@ + + + @@ -505,6 +508,39 @@ =20 + + + + + + + + + + + + + measurement-algo + + + + sha256 + + + sha512 + + + + + + + + + + + + + diff --git a/src/conf/schemas/domaincommon.rng b/src/conf/schemas/domaincom= mon.rng index 114dd3f96f..96ad674fa1 100644 --- a/src/conf/schemas/domaincommon.rng +++ b/src/conf/schemas/domaincommon.rng @@ -537,6 +537,9 @@ + + + @@ -670,6 +673,29 @@ =20 + + + cca + + + + + + + + + + + + + + + + + + + +