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Fri, 18 Jun 2021 13:20:29 +0000 (GMT) X-MC-Unique: BbaNNpsDMA6odmOGJF_RnA-1 X-MC-Unique: -5bXiAH-MSirGjDNmtBqYA-1 From: Boris Fiuczynski To: libvir-list@redhat.com, danielhb413@gmail.com Subject: [PATCH v2 1/4] conf: refactor launch security to allow more types Date: Fri, 18 Jun 2021 15:20:24 +0200 Message-Id: <20210618132027.47230-2-fiuczy@linux.ibm.com> In-Reply-To: <20210618132027.47230-1-fiuczy@linux.ibm.com> References: <20210618132027.47230-1-fiuczy@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: YV5LJRxBLMIiig8rzQtcAMoZVoxvzj9Q X-Proofpoint-ORIG-GUID: 6mtWsGEuwbQh_09gwsGNtJPyZUYIjbnN X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-06-18_07:2021-06-18, 2021-06-18 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 clxscore=1015 bulkscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106180077 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; 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charset="utf-8" To allow other types of launch security the SEV type specific parameters like e.g. policy need to be optional and be separated from other new launch security types. A test is added to ensure the previously required and now optional launch security policy remains required when launch security type is SEV. Signed-off-by: Boris Fiuczynski Reviewed-by: Daniel Henrique Barboza --- docs/schemas/domaincommon.rng | 12 +- src/conf/domain_conf.c | 156 +++++++++++------- src/conf/domain_conf.h | 13 +- src/conf/virconftypes.h | 2 + src/qemu/qemu_cgroup.c | 4 +- src/qemu/qemu_command.c | 43 ++++- src/qemu/qemu_driver.c | 2 +- src/qemu/qemu_firmware.c | 8 +- src/qemu/qemu_namespace.c | 20 ++- src/qemu/qemu_process.c | 35 +++- src/qemu/qemu_validate.c | 22 ++- src/security/security_dac.c | 4 +- ...urity-sev-missing-policy.x86_64-2.12.0.err | 1 + .../launch-security-sev-missing-policy.xml | 34 ++++ tests/qemuxml2argvtest.c | 1 + 15 files changed, 257 insertions(+), 100 deletions(-) create mode 100644 tests/qemuxml2argvdata/launch-security-sev-missing-poli= cy.x86_64-2.12.0.err create mode 100644 tests/qemuxml2argvdata/launch-security-sev-missing-poli= cy.xml diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 5ea14b6dbf..8c1b6c3a09 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -483,7 +483,9 @@ - sev + + sev + @@ -496,9 +498,11 @@ - - - + + + + + diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index f65509d8ec..8c2f4fd227 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -3490,8 +3490,7 @@ virDomainResctrlDefFree(virDomainResctrlDef *resctrl) } =20 =20 -static void -virDomainSEVDefFree(virDomainSEVDef *def) +void virDomainSEVDefFree(virDomainSEVDef *def) { if (!def) return; @@ -3502,6 +3501,17 @@ virDomainSEVDefFree(virDomainSEVDef *def) g_free(def); } =20 +void virDomainSecDefFree(virDomainSecDef *def) +{ + if (!def) + return; + + virDomainSEVDefFree(def->sev); + + g_free(def); +} + + static void virDomainOSDefClear(virDomainOSDef *os) { @@ -3703,7 +3713,7 @@ void virDomainDefFree(virDomainDef *def) if (def->namespaceData && def->ns.free) (def->ns.free)(def->namespaceData); =20 - virDomainSEVDefFree(def->sev); + virDomainSecDefFree(def->sec); =20 xmlFreeNode(def->metadata); =20 @@ -14719,72 +14729,80 @@ virDomainSEVDefParseXML(xmlNodePtr sevNode, xmlXPathContextPtr ctxt) { VIR_XPATH_NODE_AUTORESTORE(ctxt) - virDomainSEVDef *def; + g_autoptr(virDomainSEVDef) sev =3D g_new0(virDomainSEVDef, 1); unsigned long policy; - g_autofree char *type =3D NULL; int rc =3D -1; =20 - def =3D g_new0(virDomainSEVDef, 1); - ctxt->node =3D sevNode; =20 - if (!(type =3D virXMLPropString(sevNode, "type"))) { - virReportError(VIR_ERR_XML_ERROR, "%s", - _("missing launch security type")); - goto error; - } - - def->sectype =3D virDomainLaunchSecurityTypeFromString(type); - switch ((virDomainLaunchSecurity) def->sectype) { - case VIR_DOMAIN_LAUNCH_SECURITY_SEV: - break; - case VIR_DOMAIN_LAUNCH_SECURITY_NONE: - case VIR_DOMAIN_LAUNCH_SECURITY_LAST: - default: - virReportError(VIR_ERR_XML_ERROR, - _("unsupported launch security type '%s'"), - type); - goto error; - } - if (virXPathULongHex("string(./policy)", ctxt, &policy) < 0) { virReportError(VIR_ERR_XML_ERROR, "%s", - _("failed to get launch security policy")); - goto error; + _("Failed to get launch security policy for " + "launch security type SEV")); + return NULL; } =20 /* the following attributes are platform dependent and if missing, we = can * autofill them from domain capabilities later */ - rc =3D virXPathUInt("string(./cbitpos)", ctxt, &def->cbitpos); + rc =3D virXPathUInt("string(./cbitpos)", ctxt, &sev->cbitpos); if (rc =3D=3D 0) { - def->haveCbitpos =3D true; + sev->haveCbitpos =3D true; } else if (rc =3D=3D -2) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Invalid format for launch security cbitpos")); - goto error; + return NULL; } =20 rc =3D virXPathUInt("string(./reducedPhysBits)", ctxt, - &def->reduced_phys_bits); + &sev->reduced_phys_bits); if (rc =3D=3D 0) { - def->haveReducedPhysBits =3D true; + sev->haveReducedPhysBits =3D true; } else if (rc =3D=3D -2) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Invalid format for launch security " "reduced-phys-bits")); - goto error; + return NULL; } =20 - def->policy =3D policy; - def->dh_cert =3D virXPathString("string(./dhCert)", ctxt); - def->session =3D virXPathString("string(./session)", ctxt); + sev->policy =3D policy; + sev->dh_cert =3D virXPathString("string(./dhCert)", ctxt); + sev->session =3D virXPathString("string(./session)", ctxt); =20 - return def; + return g_steal_pointer(&sev); +} =20 - error: - virDomainSEVDefFree(def); - return NULL; + +static virDomainSecDef * +virDomainSecDefParseXML(xmlNodePtr lsecNode, + xmlXPathContextPtr ctxt) +{ + g_autoptr(virDomainSecDef) sec =3D g_new0(virDomainSecDef, 1); + g_autofree char *type =3D NULL; + + if (!(type =3D virXMLPropString(lsecNode, "type"))) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("missing launch security type")); + return NULL; + } + + sec->sectype =3D virDomainLaunchSecurityTypeFromString(type); + switch ((virDomainLaunchSecurity) sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: + sec->sev =3D virDomainSEVDefParseXML(lsecNode, ctxt); + if (!sec->sev) + return NULL; + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + default: + virReportError(VIR_ERR_XML_ERROR, + _("unsupported launch security type '%s'"), + type); + return NULL; + } + + return g_steal_pointer(&sec); } =20 =20 @@ -20104,10 +20122,10 @@ virDomainDefParseXML(xmlDocPtr xml, ctxt->node =3D node; VIR_FREE(nodes); =20 - /* Check for SEV feature */ + /* Check for launch security e.g. SEV feature */ if ((node =3D virXPathNode("./launchSecurity", ctxt)) !=3D NULL) { - def->sev =3D virDomainSEVDefParseXML(node, ctxt); - if (!def->sev) + def->sec =3D virDomainSecDefParseXML(node, ctxt); + if (!def->sec) goto error; } =20 @@ -26838,30 +26856,44 @@ virDomainKeyWrapDefFormat(virBuffer *buf, virDoma= inKeyWrapDef *keywrap) =20 =20 static void -virDomainSEVDefFormat(virBuffer *buf, virDomainSEVDef *sev) +virDomainSecDefFormat(virBuffer *buf, virDomainSecDef *sec) { - if (!sev) + if (!sec) return; =20 - virBufferAsprintf(buf, "\n", - virDomainLaunchSecurityTypeToString(sev->sectype)); - virBufferAdjustIndent(buf, 2); + switch ((virDomainLaunchSecurity) sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: { + virDomainSEVDef *sev =3D sec->sev; + if (!sev) + return; =20 - if (sev->haveCbitpos) - virBufferAsprintf(buf, "%d\n", sev->cbitpos); + virBufferAsprintf(buf, "\n", + virDomainLaunchSecurityTypeToString(sec->sectype= )); + virBufferAdjustIndent(buf, 2); =20 - if (sev->haveReducedPhysBits) - virBufferAsprintf(buf, "%d\n", - sev->reduced_phys_bits); - virBufferAsprintf(buf, "0x%04x\n", sev->policy); - if (sev->dh_cert) - virBufferEscapeString(buf, "%s\n", sev->dh_cert); + if (sev->haveCbitpos) + virBufferAsprintf(buf, "%d\n", sev->cbitpos= ); =20 - if (sev->session) - virBufferEscapeString(buf, "%s\n", sev->session= ); + if (sev->haveReducedPhysBits) + virBufferAsprintf(buf, "%d\= n", + sev->reduced_phys_bits); + virBufferAsprintf(buf, "0x%04x\n", sev->policy); + if (sev->dh_cert) + virBufferEscapeString(buf, "%s\n", sev->dh_ce= rt); + + if (sev->session) + virBufferEscapeString(buf, "%s\n", sev->ses= sion); + + virBufferAdjustIndent(buf, -2); + virBufferAddLit(buf, "\n"); + break; + } + + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + break; + } =20 - virBufferAdjustIndent(buf, -2); - virBufferAddLit(buf, "\n"); } =20 =20 @@ -28270,7 +28302,7 @@ virDomainDefFormatInternalSetRootName(virDomainDef = *def, if (def->keywrap) virDomainKeyWrapDefFormat(buf, def->keywrap); =20 - virDomainSEVDefFormat(buf, def->sev); + virDomainSecDefFormat(buf, def->sec); =20 if (def->namespaceData && def->ns.format) { if ((def->ns.format)(buf, def->namespaceData) < 0) diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index f706c498ff..fa7ab1895d 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2651,7 +2651,6 @@ typedef enum { =20 =20 struct _virDomainSEVDef { - int sectype; /* enum virDomainLaunchSecurity */ char *dh_cert; char *session; unsigned int policy; @@ -2661,6 +2660,10 @@ struct _virDomainSEVDef { unsigned int reduced_phys_bits; }; =20 +struct _virDomainSecDef { + int sectype; /* enum virDomainLaunchSecurity */ + virDomainSEVDef *sev; +}; =20 typedef enum { VIR_DOMAIN_IOMMU_MODEL_INTEL, @@ -2871,8 +2874,8 @@ struct _virDomainDef { =20 virDomainKeyWrapDef *keywrap; =20 - /* SEV-specific domain */ - virDomainSEVDef *sev; + /* launch security e.g. SEV */ + virDomainSecDef *sec; =20 /* Application-specific custom metadata */ xmlNodePtr metadata; @@ -3285,6 +3288,10 @@ void virDomainRedirdevDefFree(virDomainRedirdevDef *= def); void virDomainRedirFilterDefFree(virDomainRedirFilterDef *def); void virDomainShmemDefFree(virDomainShmemDef *def); G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainShmemDef, virDomainShmemDefFree); +void virDomainSEVDefFree(virDomainSEVDef *def); +G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainSEVDef, virDomainSEVDefFree); +void virDomainSecDefFree(virDomainSecDef *def); +G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainSecDef, virDomainSecDefFree); void virDomainDeviceDefFree(virDomainDeviceDef *def); =20 G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainDeviceDef, virDomainDeviceDefFree); diff --git a/src/conf/virconftypes.h b/src/conf/virconftypes.h index b21068486e..21420ba8ea 100644 --- a/src/conf/virconftypes.h +++ b/src/conf/virconftypes.h @@ -202,6 +202,8 @@ typedef struct _virDomainResourceDef virDomainResourceD= ef; =20 typedef struct _virDomainSEVDef virDomainSEVDef; =20 +typedef struct _virDomainSecDef virDomainSecDef; + typedef struct _virDomainShmemDef virDomainShmemDef; =20 typedef struct _virDomainSmartcardDef virDomainSmartcardDef; diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c index 038d6478b2..f2d99abcfa 100644 --- a/src/qemu/qemu_cgroup.c +++ b/src/qemu/qemu_cgroup.c @@ -856,7 +856,9 @@ qemuSetupDevicesCgroup(virDomainObj *vm) return -1; } =20 - if (vm->def->sev && qemuSetupSEVCgroup(vm) < 0) + if (vm->def->sec && + vm->def->sec->sectype =3D=3D VIR_DOMAIN_LAUNCH_SECURITY_SEV && + qemuSetupSEVCgroup(vm) < 0) return -1; =20 return 0; diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index ea513693f7..6a1383f255 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -6966,11 +6966,20 @@ qemuBuildMachineCommandLine(virCommand *cmd, if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_LOADPARM)) qemuAppendLoadparmMachineParm(&buf, def); =20 - if (def->sev) { - if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_CONFIDENTAL_GUEST_S= UPPORT)) { - virBufferAddLit(&buf, ",confidential-guest-support=3Dsev0"); - } else { - virBufferAddLit(&buf, ",memory-encryption=3Dsev0"); + if (def->sec) { + switch ((virDomainLaunchSecurity) def->sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_CONFIDENTAL_GUE= ST_SUPPORT)) { + virBufferAddLit(&buf, ",confidential-guest-support=3Dsev0"= ); + } else { + virBufferAddLit(&buf, ",memory-encryption=3Dsev0"); + } + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + break; + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sec= type); + return -1; } } =20 @@ -9860,6 +9869,28 @@ qemuBuildSEVCommandLine(virDomainObj *vm, virCommand= *cmd, return 0; } =20 + +static int +qemuBuildSecCommandLine(virDomainObj *vm, virCommand *cmd, + virDomainSecDef *sec) +{ + if (!sec) + return 0; + + switch ((virDomainLaunchSecurity) sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: + return qemuBuildSEVCommandLine(vm, cmd, sec->sev); + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + break; + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype); + return -1; + } + + return 0; +} + static int qemuBuildVMCoreInfoCommandLine(virCommand *cmd, const virDomainDef *def) @@ -10559,7 +10590,7 @@ qemuBuildCommandLine(virQEMUDriver *driver, if (qemuBuildVMCoreInfoCommandLine(cmd, def) < 0) return NULL; =20 - if (qemuBuildSEVCommandLine(vm, cmd, def->sev) < 0) + if (qemuBuildSecCommandLine(vm, cmd, def->sec) < 0) return NULL; =20 if (snapshot) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 1ee0e7ebc0..d8be868cb4 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -19848,7 +19848,7 @@ qemuDomainGetLaunchSecurityInfo(virDomainPtr domain, if (virDomainGetLaunchSecurityInfoEnsureACL(domain->conn, vm->def) < 0) goto cleanup; =20 - if (vm->def->sev) { + if (vm->def->sec && vm->def->sec->sectype =3D=3D VIR_DOMAIN_LAUNCH_SEC= URITY_SEV) { if (qemuDomainGetSEVMeasurement(driver, vm, params, nparams, flags= ) < 0) goto cleanup; } diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c index e17b024b06..6e8e7b4ae5 100644 --- a/src/qemu/qemu_firmware.c +++ b/src/qemu/qemu_firmware.c @@ -1053,15 +1053,15 @@ qemuFirmwareMatchDomain(const virDomainDef *def, return false; } =20 - if (def->sev && - def->sev->sectype =3D=3D VIR_DOMAIN_LAUNCH_SECURITY_SEV) { + if (def->sec && + def->sec->sectype =3D=3D VIR_DOMAIN_LAUNCH_SECURITY_SEV) { if (!supportsSEV) { VIR_DEBUG("Domain requires SEV, firmware '%s' doesn't support = it", path); return false; } - - if (def->sev->policy & VIR_QEMU_FIRMWARE_AMD_SEV_ES_POLICY && + if (def->sec->sev && + def->sec->sev->policy & VIR_QEMU_FIRMWARE_AMD_SEV_ES_POLICY && !supportsSEVES) { VIR_DEBUG("Domain requires SEV-ES, firmware '%s' doesn't suppo= rt it", path); diff --git a/src/qemu/qemu_namespace.c b/src/qemu/qemu_namespace.c index 98495e8ef8..35c8eb83fd 100644 --- a/src/qemu/qemu_namespace.c +++ b/src/qemu/qemu_namespace.c @@ -594,16 +594,26 @@ static int qemuDomainSetupLaunchSecurity(virDomainObj *vm, GSList **paths) { - virDomainSEVDef *sev =3D vm->def->sev; + virDomainSecDef *sec =3D vm->def->sec; =20 - if (!sev || sev->sectype !=3D VIR_DOMAIN_LAUNCH_SECURITY_SEV) + if (!sec) return 0; =20 - VIR_DEBUG("Setting up launch security"); + switch ((virDomainLaunchSecurity) sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: + VIR_DEBUG("Setting up launch security for SEV"); =20 - *paths =3D g_slist_prepend(*paths, g_strdup(QEMU_DEV_SEV)); + *paths =3D g_slist_prepend(*paths, g_strdup(QEMU_DEV_SEV)); + + VIR_DEBUG("Set up launch security for SEV"); + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + break; + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype); + return -1; + } =20 - VIR_DEBUG("Set up launch security"); return 0; } =20 diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 2b03b0ab98..ee39ff27fe 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -6480,7 +6480,7 @@ qemuProcessUpdateSEVInfo(virDomainObj *vm) { qemuDomainObjPrivate *priv =3D vm->privateData; virQEMUCaps *qemuCaps =3D priv->qemuCaps; - virDomainSEVDef *sev =3D vm->def->sev; + virDomainSEVDef *sev =3D vm->def->sec->sev; virSEVCapability *sevCaps =3D NULL; =20 /* if platform specific info like 'cbitpos' and 'reducedPhysBits' have @@ -6636,7 +6636,7 @@ qemuProcessPrepareDomain(virQEMUDriver *driver, for (i =3D 0; i < vm->def->nshmems; i++) qemuDomainPrepareShmemChardev(vm->def->shmems[i]); =20 - if (vm->def->sev) { + if (vm->def->sec && vm->def->sec->sectype =3D=3D VIR_DOMAIN_LAUNCH_SEC= URITY_SEV) { VIR_DEBUG("Updating SEV platform info"); if (qemuProcessUpdateSEVInfo(vm) < 0) return -1; @@ -6672,12 +6672,13 @@ qemuProcessSEVCreateFile(virDomainObj *vm, =20 =20 static int -qemuProcessPrepareSEVGuestInput(virDomainObj *vm) +qemuProcessPrepareSEVGuestInput(virDomainObj *vm, + virDomainSecDef *sec) { - virDomainSEVDef *sev =3D vm->def->sev; + virDomainSEVDef *sev =3D sec->sev; =20 if (!sev) - return 0; + return -1; =20 VIR_DEBUG("Preparing SEV guest"); =20 @@ -6695,6 +6696,28 @@ qemuProcessPrepareSEVGuestInput(virDomainObj *vm) } =20 =20 +static int +qemuProcessPrepareLaunchSecurityGuestInput(virDomainObj *vm) +{ + virDomainSecDef *sec =3D vm->def->sec; + + if (!sec) + return 0; + + switch ((virDomainLaunchSecurity) sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: + return qemuProcessPrepareSEVGuestInput(vm, sec); + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + break; + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype); + return -1; + } + + return 0; +} + + static int qemuProcessPrepareHostStorage(virQEMUDriver *driver, virDomainObj *vm, @@ -6874,7 +6897,7 @@ qemuProcessPrepareHost(virQEMUDriver *driver, if (qemuExtDevicesPrepareHost(driver, vm) < 0) return -1; =20 - if (qemuProcessPrepareSEVGuestInput(vm) < 0) + if (qemuProcessPrepareLaunchSecurityGuestInput(vm) < 0) return -1; =20 return 0; diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 382473d03b..957dbc906c 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1214,12 +1214,22 @@ qemuValidateDomainDef(const virDomainDef *def, if (qemuValidateDomainDefPanic(def, qemuCaps) < 0) return -1; =20 - if (def->sev && - !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SEV_GUEST)) { - virReportError(VIR_ERR_INTERNAL_ERROR, "%s", - _("SEV launch security is not supported with " - "this QEMU binary")); - return -1; + if (def->sec) { + switch ((virDomainLaunchSecurity) def->sec->sectype) { + case VIR_DOMAIN_LAUNCH_SECURITY_SEV: + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SEV_GUEST)) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("SEV launch security is not supported wit= h " + "this QEMU binary")); + return -1; + } + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: + break; + case VIR_DOMAIN_LAUNCH_SECURITY_LAST: + virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sec= type); + return -1; + } } =20 if (def->naudios > 1 && diff --git a/src/security/security_dac.c b/src/security/security_dac.c index 76bfce7762..eb4b0f7529 100644 --- a/src/security/security_dac.c +++ b/src/security/security_dac.c @@ -1982,7 +1982,7 @@ virSecurityDACRestoreAllLabel(virSecurityManager *mgr, rc =3D -1; } =20 - if (def->sev) { + if (def->sec && def->sec->sectype =3D=3D VIR_DOMAIN_LAUNCH_SECURITY_SE= V) { if (virSecurityDACRestoreSEVLabel(mgr, def) < 0) rc =3D -1; } @@ -2189,7 +2189,7 @@ virSecurityDACSetAllLabel(virSecurityManager *mgr, return -1; } =20 - if (def->sev) { + if (def->sec && def->sec->sectype =3D=3D VIR_DOMAIN_LAUNCH_SECURITY_SE= V) { if (virSecurityDACSetSEVLabel(mgr, def) < 0) return -1; } diff --git a/tests/qemuxml2argvdata/launch-security-sev-missing-policy.x86_= 64-2.12.0.err b/tests/qemuxml2argvdata/launch-security-sev-missing-policy.x= 86_64-2.12.0.err new file mode 100644 index 0000000000..63eaf64071 --- /dev/null +++ b/tests/qemuxml2argvdata/launch-security-sev-missing-policy.x86_64-2.12= .0.err @@ -0,0 +1 @@ +XML error: Failed to get launch security policy for launch security type S= EV diff --git a/tests/qemuxml2argvdata/launch-security-sev-missing-policy.xml = b/tests/qemuxml2argvdata/launch-security-sev-missing-policy.xml new file mode 100644 index 0000000000..5461b06c9d --- /dev/null +++ b/tests/qemuxml2argvdata/launch-security-sev-missing-policy.xml @@ -0,0 +1,34 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219100 + 219100 + 1 + + hvm + + + + destroy + restart + destroy + + /usr/bin/qemu-system-x86_64 + + + + +
+ + + + + + + + + + AQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAA + IHAVENOIDEABUTJUSTPROVIDINGASTRING + + diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index 7fed871c9e..04806ef0e9 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -3456,6 +3456,7 @@ mymain(void) DO_TEST_CAPS_VER("launch-security-sev", "2.12.0"); DO_TEST_CAPS_VER("launch-security-sev", "6.0.0"); DO_TEST_CAPS_VER("launch-security-sev-missing-platform-info", "2.12.0"= ); + DO_TEST_CAPS_VER_PARSE_ERROR("launch-security-sev-missing-policy", "2.= 12.0"); =20 DO_TEST_CAPS_LATEST("vhost-user-fs-fd-memory"); DO_TEST_CAPS_LATEST("vhost-user-fs-hugepages"); --=20 2.30.2 From nobody Mon May 6 09:03:50 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 216.205.24.124 as permitted sender) client-ip=216.205.24.124; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-delivery-124.mimecast.com; Authentication-Results: mx.zohomail.com; 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charset="utf-8" Add s390-pv-guest capability. Signed-off-by: Boris Fiuczynski Reviewed-by: Daniel Henrique Barboza --- src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + tests/qemucapabilitiesdata/caps_6.0.0.s390x.xml | 1 + 3 files changed, 4 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 059d6badf2..25774ba1c1 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -636,6 +636,7 @@ VIR_ENUM_IMPL(virQEMUCaps, /* 405 */ "confidential-guest-support", "query-display-options", + "s390-pv-guest", ); =20 =20 @@ -1354,6 +1355,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[= ] =3D { { "input-linux", QEMU_CAPS_INPUT_LINUX }, { "virtio-gpu-gl-pci", QEMU_CAPS_VIRTIO_GPU_GL_PCI }, { "virtio-vga-gl", QEMU_CAPS_VIRTIO_VGA_GL }, + { "s390-pv-guest", QEMU_CAPS_S390_PV_GUEST }, }; =20 =20 diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index b2878312ac..c79ace15bc 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -616,6 +616,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for = syntax-check */ /* 405 */ QEMU_CAPS_MACHINE_CONFIDENTAL_GUEST_SUPPORT, /* -machine confidential-= guest-support */ QEMU_CAPS_QUERY_DISPLAY_OPTIONS, /* 'query-display-options' qmp comman= d present */ + QEMU_CAPS_S390_PV_GUEST, /* -object s390-pv-guest,... */ =20 QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/tests/qemucapabilitiesdata/caps_6.0.0.s390x.xml b/tests/qemuca= pabilitiesdata/caps_6.0.0.s390x.xml index 1a0e75570c..4b2df16ced 100644 --- a/tests/qemucapabilitiesdata/caps_6.0.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_6.0.0.s390x.xml @@ -168,6 +168,7 @@ + 6000000 0 39100242 --=20 2.30.2 From nobody Mon May 6 09:03:50 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 170.10.133.124 as permitted sender) client-ip=170.10.133.124; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-delivery-124.mimecast.com; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail(p=none dis=none) header.from=linux.ibm.com Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mx.zohomail.com with SMTP id 1624022493751417.18888990208904; 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charset="utf-8" Add launch security type 's390-pv' as well as some tests. Signed-off-by: Boris Fiuczynski Reviewed-by: Daniel Henrique Barboza --- docs/schemas/domaincommon.rng | 1 + src/conf/domain_conf.c | 8 +++++ src/conf/domain_conf.h | 1 + src/qemu/qemu_command.c | 26 ++++++++++++++ src/qemu/qemu_namespace.c | 1 + src/qemu/qemu_process.c | 1 + src/qemu/qemu_validate.c | 9 +++++ .../launch-security-s390-pv-ignore-policy.xml | 24 +++++++++++++ .../launch-security-s390-pv.xml | 18 ++++++++++ .../launch-security-s390-pv-ignore-policy.xml | 1 + tests/genericxml2xmltest.c | 2 ++ ...ty-s390-pv-ignore-policy.s390x-latest.args | 35 +++++++++++++++++++ .../launch-security-s390-pv-ignore-policy.xml | 33 +++++++++++++++++ .../launch-security-s390-pv.s390x-latest.args | 35 +++++++++++++++++++ .../launch-security-s390-pv.xml | 30 ++++++++++++++++ tests/qemuxml2argvtest.c | 3 ++ 16 files changed, 228 insertions(+) create mode 100644 tests/genericxml2xmlindata/launch-security-s390-pv-igno= re-policy.xml create mode 100644 tests/genericxml2xmlindata/launch-security-s390-pv.xml create mode 120000 tests/genericxml2xmloutdata/launch-security-s390-pv-ign= ore-policy.xml create mode 100644 tests/qemuxml2argvdata/launch-security-s390-pv-ignore-p= olicy.s390x-latest.args create mode 100644 tests/qemuxml2argvdata/launch-security-s390-pv-ignore-p= olicy.xml create mode 100644 tests/qemuxml2argvdata/launch-security-s390-pv.s390x-la= test.args create mode 100644 tests/qemuxml2argvdata/launch-security-s390-pv.xml diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 8c1b6c3a09..b81c51728d 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -485,6 +485,7 @@ sev + s390-pv diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 8c2f4fd227..3f55edeefd 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -1401,6 +1401,7 @@ VIR_ENUM_IMPL(virDomainLaunchSecurity, VIR_DOMAIN_LAUNCH_SECURITY_LAST, "", "sev", + "s390-pv", ); =20 static virClass *virDomainObjClass; @@ -14793,6 +14794,8 @@ virDomainSecDefParseXML(xmlNodePtr lsecNode, if (!sec->sev) return NULL; break; + case VIR_DOMAIN_LAUNCH_SECURITY_PV: + break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: default: @@ -26889,6 +26892,11 @@ virDomainSecDefFormat(virBuffer *buf, virDomainSec= Def *sec) break; } =20 + case VIR_DOMAIN_LAUNCH_SECURITY_PV: + virBufferAsprintf(buf, "\n", + virDomainLaunchSecurityTypeToString(sec->sectype= )); + break; + case VIR_DOMAIN_LAUNCH_SECURITY_NONE: case VIR_DOMAIN_LAUNCH_SECURITY_LAST: break; diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index fa7ab1895d..9d9acab50c 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2645,6 +2645,7 @@ struct _virDomainKeyWrapDef { typedef enum { VIR_DOMAIN_LAUNCH_SECURITY_NONE, VIR_DOMAIN_LAUNCH_SECURITY_SEV, + VIR_DOMAIN_LAUNCH_SECURITY_PV, =20 VIR_DOMAIN_LAUNCH_SECURITY_LAST, } virDomainLaunchSecurity; diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 6a1383f255..271a9b880c 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -6975,6 +6975,9 @@ qemuBuildMachineCommandLine(virCommand *cmd, virBufferAddLit(&buf, ",memory-encryption=3Dsev0"); } break; + case VIR_DOMAIN_LAUNCH_SECURITY_PV: + virBufferAddLit(&buf, ",confidential-guest-support=3Dpv0"); + break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: break; case VIR_DOMAIN_LAUNCH_SECURITY_LAST: @@ -9870,6 +9873,26 @@ qemuBuildSEVCommandLine(virDomainObj *vm, virCommand= *cmd, } =20 =20 +static int +qemuBuildPVCommandLine(virDomainObj *vm, virCommand *cmd) +{ + g_autoptr(virJSONValue) props =3D NULL; + g_auto(virBuffer) buf =3D VIR_BUFFER_INITIALIZER; + qemuDomainObjPrivate *priv =3D vm->privateData; + + if (qemuMonitorCreateObjectProps(&props, "s390-pv-guest", "pv0", + NULL) < 0) + return -1; + + if (qemuBuildObjectCommandlineFromJSON(&buf, props, priv->qemuCaps) < = 0) + return -1; + + virCommandAddArg(cmd, "-object"); + virCommandAddArgBuffer(cmd, &buf); + return 0; +} + + static int qemuBuildSecCommandLine(virDomainObj *vm, virCommand *cmd, virDomainSecDef *sec) @@ -9881,6 +9904,9 @@ qemuBuildSecCommandLine(virDomainObj *vm, virCommand = *cmd, case VIR_DOMAIN_LAUNCH_SECURITY_SEV: return qemuBuildSEVCommandLine(vm, cmd, sec->sev); break; + case VIR_DOMAIN_LAUNCH_SECURITY_PV: + return qemuBuildPVCommandLine(vm, cmd); + break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: break; case VIR_DOMAIN_LAUNCH_SECURITY_LAST: diff --git a/src/qemu/qemu_namespace.c b/src/qemu/qemu_namespace.c index 35c8eb83fd..156ee84292 100644 --- a/src/qemu/qemu_namespace.c +++ b/src/qemu/qemu_namespace.c @@ -607,6 +607,7 @@ qemuDomainSetupLaunchSecurity(virDomainObj *vm, =20 VIR_DEBUG("Set up launch security for SEV"); break; + case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_NONE: break; case VIR_DOMAIN_LAUNCH_SECURITY_LAST: diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index ee39ff27fe..5a4c3d48e2 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -6707,6 +6707,7 @@ qemuProcessPrepareLaunchSecurityGuestInput(virDomainO= bj *vm) switch ((virDomainLaunchSecurity) sec->sectype) { case VIR_DOMAIN_LAUNCH_SECURITY_SEV: return qemuProcessPrepareSEVGuestInput(vm, sec); + case VIR_DOMAIN_LAUNCH_SECURITY_PV: case VIR_DOMAIN_LAUNCH_SECURITY_NONE: break; case VIR_DOMAIN_LAUNCH_SECURITY_LAST: diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 957dbc906c..c39dc5136d 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1224,6 +1224,15 @@ qemuValidateDomainDef(const virDomainDef *def, return -1; } break; + case VIR_DOMAIN_LAUNCH_SECURITY_PV: + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_CONFIDENTAL_GU= EST_SUPPORT) || + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_S390_PV_GUEST)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("S390 PV launch security is not supported= with " + "this QEMU binary")); + return -1; + } + break; case VIR_DOMAIN_LAUNCH_SECURITY_NONE: break; case VIR_DOMAIN_LAUNCH_SECURITY_LAST: diff --git a/tests/genericxml2xmlindata/launch-security-s390-pv-ignore-poli= cy.xml b/tests/genericxml2xmlindata/launch-security-s390-pv-ignore-policy.x= ml new file mode 100644 index 0000000000..0c398cced8 --- /dev/null +++ b/tests/genericxml2xmlindata/launch-security-s390-pv-ignore-policy.xml @@ -0,0 +1,24 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219100 + 219100 + 1 + + hvm + + + + destroy + restart + destroy + + + + 47 + 1 + 0x0001 + AQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAA + IHAVENOIDEABUTJUSTPROVIDINGASTRING + + diff --git a/tests/genericxml2xmlindata/launch-security-s390-pv.xml b/tests= /genericxml2xmlindata/launch-security-s390-pv.xml new file mode 100644 index 0000000000..29c7fc152d --- /dev/null +++ b/tests/genericxml2xmlindata/launch-security-s390-pv.xml @@ -0,0 +1,18 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219100 + 219100 + 1 + + hvm + + + + destroy + restart + destroy + + + + diff --git a/tests/genericxml2xmloutdata/launch-security-s390-pv-ignore-pol= icy.xml b/tests/genericxml2xmloutdata/launch-security-s390-pv-ignore-policy= .xml new file mode 120000 index 0000000000..075c72603d --- /dev/null +++ b/tests/genericxml2xmloutdata/launch-security-s390-pv-ignore-policy.xml @@ -0,0 +1 @@ +../genericxml2xmlindata/launch-security-s390-pv.xml \ No newline at end of file diff --git a/tests/genericxml2xmltest.c b/tests/genericxml2xmltest.c index ac89422a32..eb15f66c3c 100644 --- a/tests/genericxml2xmltest.c +++ b/tests/genericxml2xmltest.c @@ -233,6 +233,8 @@ mymain(void) DO_TEST("tseg"); =20 DO_TEST("launch-security-sev"); + DO_TEST("launch-security-s390-pv"); + DO_TEST_DIFFERENT("launch-security-s390-pv-ignore-policy"); =20 DO_TEST_DIFFERENT("cputune"); DO_TEST("device-backenddomain"); diff --git a/tests/qemuxml2argvdata/launch-security-s390-pv-ignore-policy.s= 390x-latest.args b/tests/qemuxml2argvdata/launch-security-s390-pv-ignore-po= licy.s390x-latest.args new file mode 100644 index 0000000000..c9d9b84dd3 --- /dev/null +++ b/tests/qemuxml2argvdata/launch-security-s390-pv-ignore-policy.s390x-la= test.args @@ -0,0 +1,35 @@ +LC_ALL=3DC \ +PATH=3D/bin \ +HOME=3D/tmp/lib/domain--1-QEMUGuest1 \ +USER=3Dtest \ +LOGNAME=3Dtest \ +XDG_DATA_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.local/share \ +XDG_CACHE_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.cache \ +XDG_CONFIG_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.config \ +/usr/bin/qemu-system-s390x \ +-name guest=3DQEMUGuest1,debug-threads=3Don \ +-S \ +-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tm= p/lib/domain--1-QEMUGuest1/master-key.aes"}' \ +-machine s390-ccw-virtio,accel=3Dkvm,usb=3Doff,dump-guest-core=3Doff,confi= dential-guest-support=3Dpv0,memory-backend=3Ds390.ram \ +-cpu gen15a-base,aen=3Don,cmmnt=3Don,vxpdeh=3Don,aefsi=3Don,diag318=3Don,c= sske=3Don,mepoch=3Don,msa9=3Don,msa8=3Don,msa7=3Don,msa6=3Don,msa5=3Don,msa= 4=3Don,msa3=3Don,msa2=3Don,msa1=3Don,sthyi=3Don,edat=3Don,ri=3Don,deflate= =3Don,edat2=3Don,etoken=3Don,vx=3Don,ipter=3Don,mepochptff=3Don,ap=3Don,vxe= h=3Don,vxpd=3Don,esop=3Don,msa9_pckmo=3Don,vxeh2=3Don,esort=3Don,apqi=3Don,= apft=3Don,els=3Don,iep=3Don,apqci=3Don,cte=3Don,ais=3Don,bpb=3Don,gs=3Don,p= pa15=3Don,zpci=3Don,sea_esop2=3Don,te=3Don,cmm=3Don \ +-m 214 \ +-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":224395264= }' \ +-overcommit mem-lock=3Doff \ +-smp 1,sockets=3D1,cores=3D1,threads=3D1 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=3Dcharmonitor,fd=3D1729,server=3Don,wait=3Doff \ +-mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol \ +-rtc base=3Dutc \ +-no-shutdown \ +-boot strict=3Don \ +-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1","no= de-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \ +-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw= ","file":"libvirt-1-storage"}' \ +-device virtio-blk-ccw,devno=3Dfe.0.0000,drive=3Dlibvirt-1-format,id=3Dvir= tio-disk0,bootindex=3D1 \ +-audiodev id=3Daudio1,driver=3Dnone \ +-device virtio-balloon-ccw,id=3Dballoon0,devno=3Dfe.0.0001 \ +-object '{"qom-type":"s390-pv-guest","id":"pv0"}' \ +-sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,resource= control=3Ddeny \ +-msg timestamp=3Don diff --git a/tests/qemuxml2argvdata/launch-security-s390-pv-ignore-policy.x= ml b/tests/qemuxml2argvdata/launch-security-s390-pv-ignore-policy.xml new file mode 100644 index 0000000000..052d96dedb --- /dev/null +++ b/tests/qemuxml2argvdata/launch-security-s390-pv-ignore-policy.xml @@ -0,0 +1,33 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219100 + 219100 + 1 + + hvm + + + + destroy + restart + destroy + + /usr/bin/qemu-system-s390x + + + + +
+ + + +
+ + + + + AQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAAAQAAAAAOAAA + IHAVENOIDEABUTJUSTPROVIDINGASTRING + + diff --git a/tests/qemuxml2argvdata/launch-security-s390-pv.s390x-latest.ar= gs b/tests/qemuxml2argvdata/launch-security-s390-pv.s390x-latest.args new file mode 100644 index 0000000000..c9d9b84dd3 --- /dev/null +++ b/tests/qemuxml2argvdata/launch-security-s390-pv.s390x-latest.args @@ -0,0 +1,35 @@ +LC_ALL=3DC \ +PATH=3D/bin \ +HOME=3D/tmp/lib/domain--1-QEMUGuest1 \ +USER=3Dtest \ +LOGNAME=3Dtest \ +XDG_DATA_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.local/share \ +XDG_CACHE_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.cache \ +XDG_CONFIG_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.config \ +/usr/bin/qemu-system-s390x \ +-name guest=3DQEMUGuest1,debug-threads=3Don \ +-S \ +-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tm= p/lib/domain--1-QEMUGuest1/master-key.aes"}' \ +-machine s390-ccw-virtio,accel=3Dkvm,usb=3Doff,dump-guest-core=3Doff,confi= dential-guest-support=3Dpv0,memory-backend=3Ds390.ram \ +-cpu gen15a-base,aen=3Don,cmmnt=3Don,vxpdeh=3Don,aefsi=3Don,diag318=3Don,c= sske=3Don,mepoch=3Don,msa9=3Don,msa8=3Don,msa7=3Don,msa6=3Don,msa5=3Don,msa= 4=3Don,msa3=3Don,msa2=3Don,msa1=3Don,sthyi=3Don,edat=3Don,ri=3Don,deflate= =3Don,edat2=3Don,etoken=3Don,vx=3Don,ipter=3Don,mepochptff=3Don,ap=3Don,vxe= h=3Don,vxpd=3Don,esop=3Don,msa9_pckmo=3Don,vxeh2=3Don,esort=3Don,apqi=3Don,= apft=3Don,els=3Don,iep=3Don,apqci=3Don,cte=3Don,ais=3Don,bpb=3Don,gs=3Don,p= pa15=3Don,zpci=3Don,sea_esop2=3Don,te=3Don,cmm=3Don \ +-m 214 \ +-object '{"qom-type":"memory-backend-ram","id":"s390.ram","size":224395264= }' \ +-overcommit mem-lock=3Doff \ +-smp 1,sockets=3D1,cores=3D1,threads=3D1 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=3Dcharmonitor,fd=3D1729,server=3Don,wait=3Doff \ +-mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol \ +-rtc base=3Dutc \ +-no-shutdown \ +-boot strict=3Don \ +-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1","no= de-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \ +-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw= ","file":"libvirt-1-storage"}' \ +-device virtio-blk-ccw,devno=3Dfe.0.0000,drive=3Dlibvirt-1-format,id=3Dvir= tio-disk0,bootindex=3D1 \ +-audiodev id=3Daudio1,driver=3Dnone \ +-device virtio-balloon-ccw,id=3Dballoon0,devno=3Dfe.0.0001 \ +-object '{"qom-type":"s390-pv-guest","id":"pv0"}' \ +-sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,resource= control=3Ddeny \ +-msg timestamp=3Don diff --git a/tests/qemuxml2argvdata/launch-security-s390-pv.xml b/tests/qem= uxml2argvdata/launch-security-s390-pv.xml new file mode 100644 index 0000000000..c40c2b4bf2 --- /dev/null +++ b/tests/qemuxml2argvdata/launch-security-s390-pv.xml @@ -0,0 +1,30 @@ + + QEMUGuest1 + c7a5fdbd-edaf-9455-926a-d65c16db1809 + 219100 + 219100 + 1 + + hvm + + + + destroy + restart + destroy + + /usr/bin/qemu-system-s390x + + + + +
+ + + +
+ + + + + diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index 04806ef0e9..3fc499d59e 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -3458,6 +3458,9 @@ mymain(void) DO_TEST_CAPS_VER("launch-security-sev-missing-platform-info", "2.12.0"= ); DO_TEST_CAPS_VER_PARSE_ERROR("launch-security-sev-missing-policy", "2.= 12.0"); =20 + DO_TEST_CAPS_ARCH_LATEST("launch-security-s390-pv", "s390x"); + DO_TEST_CAPS_ARCH_LATEST("launch-security-s390-pv-ignore-policy", "s39= 0x"); + DO_TEST_CAPS_LATEST("vhost-user-fs-fd-memory"); DO_TEST_CAPS_LATEST("vhost-user-fs-hugepages"); DO_TEST_CAPS_LATEST_PARSE_ERROR("vhost-user-fs-readonly"); --=20 2.30.2 From nobody Mon May 6 09:03:50 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 216.205.24.124 as permitted sender) client-ip=216.205.24.124; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-delivery-124.mimecast.com; Authentication-Results: mx.zohomail.com; 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charset="utf-8" Add documentation for launch security type s390-pv. Signed-off-by: Boris Fiuczynski Reviewed-by: Daniel Henrique Barboza --- docs/formatdomain.rst | 7 ++++ docs/kbase/s390_protected_virt.rst | 55 +++++++++++++++++++++++++----- 2 files changed, 54 insertions(+), 8 deletions(-) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index c6dede053f..a1b028c4ad 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -8078,6 +8078,13 @@ Note: DEA/TDEA is synonymous with DES/TDES. Launch Security --------------- =20 +Specifying ```` in a s390 domain prepares +the guest to run in protected virtualization secure mode, also known as +IBM Secure Execution. For more required host and guest preparation steps, = see +`Protected Virtualization on s390 `__ +:since:`Since 7.5.0` + + The contents of the ```` element is used to p= rovide the guest owners input used for creating an encrypted VM using the AMD SEV feature (Secure Encrypted Virtualization). SEV is an extension to the AMD-V diff --git a/docs/kbase/s390_protected_virt.rst b/docs/kbase/s390_protected= _virt.rst index 1718a556d4..66203568d9 100644 --- a/docs/kbase/s390_protected_virt.rst +++ b/docs/kbase/s390_protected_virt.rst @@ -127,10 +127,13 @@ Protected virtualization guests support I/O using vir= tio devices. As the virtio data structures of secure guests are not accessible by the host, it is necessary to use shared memory ('bounce buffers'). =20 -To enable virtio devices to use shared buffers, it is necessary -to configure them with platform_iommu enabled. This can done by adding -``iommu=3D'on'`` to the driver element of a virtio device definition in the -guest's XML, e.g. +Since libvirt 7.5.0 the +` `__ +element with type ``s390-pv`` should be used on protected virtualization g= uests. +Without ``launchSecurity`` you must enable all virtio devices to use shared +buffers by configuring them with platform_iommu enabled. +This can done by adding ``iommu=3D'on'`` to the driver element of a virtio +device definition in the guest's XML, e.g. =20 :: =20 @@ -140,8 +143,10 @@ guest's XML, e.g. =20 -It is mandatory to define all virtio bus devices in this way to -prevent the host from attempting to access protected memory. +Unless you are using ``launchSecurity`` you must define all virtio bus +devices in this way to prevent the host from attempting to access +protected memory. + Ballooning will not work and is fenced by QEMU. It should be disabled by specifying =20 @@ -158,8 +163,42 @@ allocated 2K entries. A commonly used value for swiotl= b is 262144. Example guest definition =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 -Minimal domain XML for a protected virtualization guest, essentially -it's mostly about the ``iommu`` property +Minimal domain XML for a protected virtualization guest with +the ``launchSecurity`` element of type ``s390-pv`` + +:: + + + protected + 2048000 + 2048000 + 1 + + hvm + + + + + + + + + + + + + + + + + + + +Example guest definition without launchSecurity +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Minimal domain XML for a protected virtualization guest using the +``iommu=3D'on'`` setting for each virtio device. =20 :: =20 --=20 2.30.2