[PATCH v5 04/11] conf: Refactor launch security to allow more types

Pavel Hrdina phrdina at redhat.com
Wed Jul 21 09:56:21 UTC 2021


On Fri, Jul 16, 2021 at 11:44:28AM +0200, Boris Fiuczynski wrote:
> Adding virDomainSecDef for general launch security data
> and moving virDomainSEVDef as an element for SEV data.
> 
> Signed-off-by: Boris Fiuczynski <fiuczy at linux.ibm.com>
> Reviewed-by: Daniel Henrique Barboza <danielhb413 at gmail.com>
> ---
>  src/conf/domain_conf.c      | 133 +++++++++++++++++++++---------------
>  src/conf/domain_conf.h      |  16 +++--
>  src/conf/virconftypes.h     |   2 +
>  src/qemu/qemu_cgroup.c      |   4 +-
>  src/qemu/qemu_command.c     |  47 ++++++++++---
>  src/qemu/qemu_driver.c      |   3 +-
>  src/qemu/qemu_firmware.c    |  32 +++++----
>  src/qemu/qemu_namespace.c   |  20 ++++--
>  src/qemu/qemu_process.c     |  34 +++++++--
>  src/qemu/qemu_validate.c    |  22 ++++--
>  src/security/security_dac.c |   6 +-
>  11 files changed, 217 insertions(+), 102 deletions(-)
> 
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 74254d505b..af7b4f8ef8 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -3491,17 +3491,25 @@ virDomainResctrlDefFree(virDomainResctrlDef *resctrl)
>  
>  
>  void
> -virDomainSEVDefFree(virDomainSEVDef *def)
> +virDomainSecDefFree(virDomainSecDef *def)
>  {
>      if (!def)
>          return;
>  
> -    g_free(def->dh_cert);
> -    g_free(def->session);
> +    switch ((virDomainLaunchSecurity) def->sectype) {
> +    case VIR_DOMAIN_LAUNCH_SECURITY_SEV:
> +        g_free(def->data.sev.dh_cert);
> +        g_free(def->data.sev.session);
> +        break;
> +    case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
> +    case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +        break;
> +    }
>  
>      g_free(def);
>  }
>  
> +

Unrelated empty line change.

>  static void
>  virDomainOSDefClear(virDomainOSDef *os)
>  {
> @@ -3703,7 +3711,7 @@ void virDomainDefFree(virDomainDef *def)
>      if (def->namespaceData && def->ns.free)
>          (def->ns.free)(def->namespaceData);
>  
> -    virDomainSEVDefFree(def->sev);
> +    virDomainSecDefFree(def->sec);
>  
>      xmlFreeNode(def->metadata);
>  
> @@ -14714,68 +14722,82 @@ virDomainMemoryTargetDefParseXML(xmlNodePtr node,
>  }
>  
>  
> -static virDomainSEVDef *
> -virDomainSEVDefParseXML(xmlNodePtr sevNode,
> +static int
> +virDomainSEVDefParseXML(virDomainSEVDef *def,
> +                        xmlNodePtr sevNode,

No need to pass sevNode attribute ...

>                          xmlXPathContextPtr ctxt)
>  {
>      VIR_XPATH_NODE_AUTORESTORE(ctxt)
> -    g_autoptr(virDomainSEVDef) def = NULL;
>      unsigned long policy;
>      int rc;
>  
> -    def = g_new0(virDomainSEVDef, 1);
> -
>      ctxt->node = sevNode;

ctxt->node is already set to correct pointer in virDomainSecDefParseXML
function.

>  
> -    if (virXMLPropEnum(sevNode, "type", virDomainLaunchSecurityTypeFromString,
> -                       VIR_XML_PROP_NONZERO | VIR_XML_PROP_REQUIRED,
> -                       &def->sectype) < 0)
> -        return NULL;
> +    if (virXPathULongHex("string(./policy)", ctxt, &policy) < 0) {
> +        virReportError(VIR_ERR_XML_ERROR, "%s",
> +                       _("failed to get launch security policy"));
> +        return -1;
> +    }
>  
> -    switch ((virDomainLaunchSecurity) def->sectype) {
> -    case VIR_DOMAIN_LAUNCH_SECURITY_SEV:
> -        if (virXPathULongHex("string(./policy)", ctxt, &policy) < 0) {
> -            virReportError(VIR_ERR_XML_ERROR, "%s",
> -                           _("failed to get launch security policy"));
> -            return NULL;
> -        }
> +    /* the following attributes are platform dependent and if missing, we can
> +     * autofill them from domain capabilities later
> +     */
> +    rc = virXPathUInt("string(./cbitpos)", ctxt, &def->cbitpos);
> +    if (rc == 0) {
> +        def->haveCbitpos = true;
> +    } else if (rc == -2) {
> +        virReportError(VIR_ERR_XML_ERROR, "%s",
> +                       _("Invalid format for launch security cbitpos"));
> +        return -1;
> +    }
>  
> -        /* the following attributes are platform dependent and if missing, we can
> -         * autofill them from domain capabilities later
> -        */
> -        rc = virXPathUInt("string(./cbitpos)", ctxt, &def->cbitpos);
> -        if (rc == 0) {
> -            def->haveCbitpos = true;
> -        } else if (rc == -2) {
> -            virReportError(VIR_ERR_XML_ERROR, "%s",
> -                           _("Invalid format for launch security cbitpos"));
> -            return NULL;
> -        }
> +    rc = virXPathUInt("string(./reducedPhysBits)", ctxt,
> +                      &def->reduced_phys_bits);
> +    if (rc == 0) {
> +        def->haveReducedPhysBits = true;
> +    } else if (rc == -2) {
> +        virReportError(VIR_ERR_XML_ERROR, "%s",
> +                       _("Invalid format for launch security "
> +                         "reduced-phys-bits"));
> +        return -1;
> +    }
> +
> +    def->policy = policy;
> +    def->dh_cert = virXPathString("string(./dhCert)", ctxt);
> +    def->session = virXPathString("string(./session)", ctxt);
> +
> +    return 0;
> +}
>  
> -        rc = virXPathUInt("string(./reducedPhysBits)", ctxt,
> -                          &def->reduced_phys_bits);
> -        if (rc == 0) {
> -            def->haveReducedPhysBits = true;
> -        } else if (rc == -2) {
> -            virReportError(VIR_ERR_XML_ERROR, "%s",
> -                           _("Invalid format for launch security "
> -                             "reduced-phys-bits"));
> -            return NULL;
> -        }
>  
> -        def->policy = policy;
> -        def->dh_cert = virXPathString("string(./dhCert)", ctxt);
> -        def->session = virXPathString("string(./session)", ctxt);
> +static virDomainSecDef *
> +virDomainSecDefParseXML(xmlNodePtr lsecNode,
> +                        xmlXPathContextPtr ctxt)
> +{
> +    g_autoptr(virDomainSecDef) sec = g_new0(virDomainSecDef, 1);
> +
> +    ctxt->node = lsecNode;
> +
> +    if (virXMLPropEnum(lsecNode, "type", virDomainLaunchSecurityTypeFromString,
> +                       VIR_XML_PROP_NONZERO | VIR_XML_PROP_REQUIRED,
> +                       &sec->sectype) < 0)
> +        return NULL;
>  
> -        return g_steal_pointer(&def);
> +    switch ((virDomainLaunchSecurity) sec->sectype) {
> +    case VIR_DOMAIN_LAUNCH_SECURITY_SEV:
> +        if (virDomainSEVDefParseXML(&sec->data.sev, lsecNode, ctxt) < 0)
> +            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'"),
> -                       virDomainLaunchSecurityTypeToString(def->sectype));
> +                       virDomainLaunchSecurityTypeToString(sec->sectype));
>          return NULL;
>      }
> +
> +    return g_steal_pointer(&sec);
>  }
>  
>  
> @@ -20130,10 +20152,10 @@ virDomainDefParseXML(xmlDocPtr xml,
>      ctxt->node = node;
>      VIR_FREE(nodes);
>  
> -    /* Check for SEV feature */
> +    /* Check for launch security e.g. SEV feature */
>      if ((node = virXPathNode("./launchSecurity", ctxt)) != NULL) {
> -        def->sev = virDomainSEVDefParseXML(node, ctxt);
> -        if (!def->sev)
> +        def->sec = virDomainSecDefParseXML(node, ctxt);
> +        if (!def->sec)
>              goto error;
>      }
>  
> @@ -26864,19 +26886,21 @@ virDomainKeyWrapDefFormat(virBuffer *buf, virDomainKeyWrapDef *keywrap)
>  
>  
>  static void
> -virDomainSEVDefFormat(virBuffer *buf, virDomainSEVDef *sev)
> +virDomainSecDefFormat(virBuffer *buf, virDomainSecDef *sec)
>  {
>      g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
>      g_auto(virBuffer) childBuf = VIR_BUFFER_INIT_CHILD(buf);
>  
> -    if (!sev)
> +    if (!sec)
>          return;
>  
>      virBufferAsprintf(&attrBuf, " type='%s'",
> -                      virDomainLaunchSecurityTypeToString(sev->sectype));
> +                      virDomainLaunchSecurityTypeToString(sec->sectype));
>  
> -    switch ((virDomainLaunchSecurity) sev->sectype) {
> +    switch ((virDomainLaunchSecurity) sec->sectype) {
>      case VIR_DOMAIN_LAUNCH_SECURITY_SEV: {
> +        virDomainSEVDef *sev = &sec->data.sev;
> +
>          if (sev->haveCbitpos)
>              virBufferAsprintf(&childBuf, "<cbitpos>%d</cbitpos>\n", sev->cbitpos);
>  
> @@ -26892,6 +26916,7 @@ virDomainSEVDefFormat(virBuffer *buf, virDomainSEVDef *sev)
>  
>          break;
>      }
> +

Unrelated empty line change.

>      case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
>      case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
>          return;
> @@ -28306,7 +28331,7 @@ virDomainDefFormatInternalSetRootName(virDomainDef *def,
>      if (def->keywrap)
>          virDomainKeyWrapDefFormat(buf, def->keywrap);
>  
> -    virDomainSEVDefFormat(buf, def->sev);
> +    virDomainSecDefFormat(buf, def->sec);
>  
>      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 f3a4d0fa93..4e6426ee78 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -2651,7 +2651,6 @@ typedef enum {
>  
>  
>  struct _virDomainSEVDef {
> -    virDomainLaunchSecurity sectype;
>      char *dh_cert;
>      char *session;
>      unsigned int policy;
> @@ -2661,8 +2660,15 @@ struct _virDomainSEVDef {
>      unsigned int reduced_phys_bits;
>  };
>  
> -void virDomainSEVDefFree(virDomainSEVDef *def);
> -G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainSEVDef, virDomainSEVDefFree);
> +struct _virDomainSecDef {
> +    virDomainLaunchSecurity sectype;
> +    union {
> +        virDomainSEVDef sev;
> +    } data;
> +};
> +
> +void virDomainSecDefFree(virDomainSecDef *def);
> +G_DEFINE_AUTOPTR_CLEANUP_FUNC(virDomainSecDef, virDomainSecDefFree);
>  
>  typedef enum {
>      VIR_DOMAIN_IOMMU_MODEL_INTEL,
> @@ -2873,8 +2879,8 @@ struct _virDomainDef {
>  
>      virDomainKeyWrapDef *keywrap;
>  
> -    /* SEV-specific domain */
> -    virDomainSEVDef *sev;
> +    /* launch security e.g. SEV */
> +    virDomainSecDef *sec;
>  
>      /* Application-specific custom metadata */
>      xmlNodePtr metadata;
> 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 virDomainResourceDef;
>  
>  typedef struct _virDomainSEVDef virDomainSEVDef;
>  
> +typedef struct _virDomainSecDef virDomainSecDef;
> +
>  typedef struct _virDomainShmemDef virDomainShmemDef;
>  
>  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;
>      }
>  
> -    if (vm->def->sev && qemuSetupSEVCgroup(vm) < 0)
> +    if (vm->def->sec &&
> +        vm->def->sec->sectype == VIR_DOMAIN_LAUNCH_SECURITY_SEV &&
> +        qemuSetupSEVCgroup(vm) < 0)
>          return -1;
>  
>      return 0;
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 6af1faa3cd..61fecc607b 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -6967,11 +6967,20 @@ qemuBuildMachineCommandLine(virCommand *cmd,
>      if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_LOADPARM))
>          qemuAppendLoadparmMachineParm(&buf, def);
>  
> -    if (def->sev) {
> -        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_CONFIDENTAL_GUEST_SUPPORT)) {
> -            virBufferAddLit(&buf, ",confidential-guest-support=sev0");
> -        } else {
> -            virBufferAddLit(&buf, ",memory-encryption=sev0");
> +    if (def->sec) {
> +        switch ((virDomainLaunchSecurity) def->sec->sectype) {
> +        case VIR_DOMAIN_LAUNCH_SECURITY_SEV:
> +            if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_CONFIDENTAL_GUEST_SUPPORT)) {
> +                virBufferAddLit(&buf, ",confidential-guest-support=sev0");
> +            } else {
> +                virBufferAddLit(&buf, ",memory-encryption=sev0");
> +            }
> +            break;
> +        case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
> +            break;

We should never have NONE as sectype so we should report error as well.

> +        case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +            virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sectype);
> +            return -1;
>          }
>      }
>  
> @@ -9838,9 +9847,6 @@ qemuBuildSEVCommandLine(virDomainObj *vm, virCommand *cmd,
>      g_autofree char *dhpath = NULL;
>      g_autofree char *sessionpath = NULL;
>  
> -    if (!sev)
> -        return 0;
> -
>      VIR_DEBUG("policy=0x%x cbitpos=%d reduced_phys_bits=%d",
>                sev->policy, sev->cbitpos, sev->reduced_phys_bits);
>  
> @@ -9867,6 +9873,29 @@ qemuBuildSEVCommandLine(virDomainObj *vm, virCommand *cmd,
>      return 0;
>  }
>  
> +
> +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->data.sev);
> +        break;
> +    case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
> +        break;

Same here.

> +    case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +        virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype);
> +        return -1;
> +    }
> +
> +    return 0;
> +}
> +
> +
>  static int
>  qemuBuildVMCoreInfoCommandLine(virCommand *cmd,
>                                 const virDomainDef *def)
> @@ -10566,7 +10595,7 @@ qemuBuildCommandLine(virQEMUDriver *driver,
>      if (qemuBuildVMCoreInfoCommandLine(cmd, def) < 0)
>          return NULL;
>  
> -    if (qemuBuildSEVCommandLine(vm, cmd, def->sev) < 0)
> +    if (qemuBuildSecCommandLine(vm, cmd, def->sec) < 0)
>          return NULL;
>  
>      if (snapshot)
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index df44c3fbd0..85cc87586c 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -19853,7 +19853,8 @@ qemuDomainGetLaunchSecurityInfo(virDomainPtr domain,
>      if (virDomainGetLaunchSecurityInfoEnsureACL(domain->conn, vm->def) < 0)
>          goto cleanup;
>  
> -    if (vm->def->sev) {
> +    if (vm->def->sec &&
> +        vm->def->sec->sectype == VIR_DOMAIN_LAUNCH_SECURITY_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..6f83ebafe9 100644
> --- a/src/qemu/qemu_firmware.c
> +++ b/src/qemu/qemu_firmware.c
> @@ -1053,19 +1053,27 @@ qemuFirmwareMatchDomain(const virDomainDef *def,
>          return false;
>      }
>  
> -    if (def->sev &&
> -        def->sev->sectype == VIR_DOMAIN_LAUNCH_SECURITY_SEV) {
> -        if (!supportsSEV) {
> -            VIR_DEBUG("Domain requires SEV, firmware '%s' doesn't support it",
> -                      path);
> -            return false;
> -        }
> +    if (def->sec) {
> +        switch ((virDomainLaunchSecurity) def->sec->sectype) {
> +        case 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 &&
> -            !supportsSEVES) {
> -            VIR_DEBUG("Domain requires SEV-ES, firmware '%s' doesn't support it",
> -                      path);
> -            return false;
> +            if (def->sec->data.sev.policy & VIR_QEMU_FIRMWARE_AMD_SEV_ES_POLICY &&
> +                !supportsSEVES) {
> +                VIR_DEBUG("Domain requires SEV-ES, firmware '%s' doesn't support it",
> +                          path);
> +                return false;
> +            }
> +            break;
> +        case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
> +            break;

And here.

> +        case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +            virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sectype);
> +            return -1;
>          }
>      }
>  
> diff --git a/src/qemu/qemu_namespace.c b/src/qemu/qemu_namespace.c
> index 4a06e5ceb7..aa8b3c579b 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 = vm->def->sev;
> +    virDomainSecDef *sec = vm->def->sec;
>  
> -    if (!sev || sev->sectype != VIR_DOMAIN_LAUNCH_SECURITY_SEV)
> +    if (!sec)
>          return 0;
>  
> -    VIR_DEBUG("Setting up launch security");
> +    switch ((virDomainLaunchSecurity) sec->sectype) {
> +    case VIR_DOMAIN_LAUNCH_SECURITY_SEV:
> +        VIR_DEBUG("Setting up launch security for SEV");
>  
> -    *paths = g_slist_prepend(*paths, g_strdup(QEMU_DEV_SEV));
> +        *paths = 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;

And here.

> +    case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +        virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype);
> +        return -1;
> +    }
>  
> -    VIR_DEBUG("Set up launch security");
>      return 0;
>  }
>  
> diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
> index c972c90801..07e695f311 100644
> --- a/src/qemu/qemu_process.c
> +++ b/src/qemu/qemu_process.c
> @@ -6481,7 +6481,7 @@ qemuProcessUpdateSEVInfo(virDomainObj *vm)
>  {
>      qemuDomainObjPrivate *priv = vm->privateData;
>      virQEMUCaps *qemuCaps = priv->qemuCaps;
> -    virDomainSEVDef *sev = vm->def->sev;
> +    virDomainSEVDef *sev = &vm->def->sec->data.sev;
>      virSEVCapability *sevCaps = NULL;
>  
>      /* if platform specific info like 'cbitpos' and 'reducedPhysBits' have
> @@ -6637,7 +6637,8 @@ qemuProcessPrepareDomain(virQEMUDriver *driver,
>      for (i = 0; i < vm->def->nshmems; i++)
>          qemuDomainPrepareShmemChardev(vm->def->shmems[i]);
>  
> -    if (vm->def->sev) {
> +    if (vm->def->sec &&
> +        vm->def->sec->sectype == VIR_DOMAIN_LAUNCH_SECURITY_SEV) {
>          VIR_DEBUG("Updating SEV platform info");
>          if (qemuProcessUpdateSEVInfo(vm) < 0)
>              return -1;
> @@ -6675,10 +6676,7 @@ qemuProcessSEVCreateFile(virDomainObj *vm,
>  static int
>  qemuProcessPrepareSEVGuestInput(virDomainObj *vm)
>  {
> -    virDomainSEVDef *sev = vm->def->sev;
> -
> -    if (!sev)
> -        return 0;
> +    virDomainSEVDef *sev = &vm->def->sec->data.sev;
>  
>      VIR_DEBUG("Preparing SEV guest");
>  
> @@ -6696,6 +6694,28 @@ qemuProcessPrepareSEVGuestInput(virDomainObj *vm)
>  }
>  
>  
> +static int
> +qemuProcessPrepareLaunchSecurityGuestInput(virDomainObj *vm)
> +{
> +    virDomainSecDef *sec = vm->def->sec;
> +
> +    if (!sec)
> +        return 0;
> +
> +    switch ((virDomainLaunchSecurity) sec->sectype) {
> +    case VIR_DOMAIN_LAUNCH_SECURITY_SEV:
> +        return qemuProcessPrepareSEVGuestInput(vm);
> +    case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
> +        break;

And here.

> +    case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +        virReportEnumRangeError(virDomainLaunchSecurity, sec->sectype);
> +        return -1;
> +    }
> +
> +    return 0;
> +}
> +
> +
>  static int
>  qemuProcessPrepareHostStorage(virQEMUDriver *driver,
>                                virDomainObj *vm,
> @@ -6875,7 +6895,7 @@ qemuProcessPrepareHost(virQEMUDriver *driver,
>      if (qemuExtDevicesPrepareHost(driver, vm) < 0)
>          return -1;
>  
> -    if (qemuProcessPrepareSEVGuestInput(vm) < 0)
> +    if (qemuProcessPrepareLaunchSecurityGuestInput(vm) < 0)
>          return -1;
>  
>      return 0;
> diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
> index b133ce3cd6..c54c18160e 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;
>  
> -    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 with "
> +                                 "this QEMU binary"));
> +                return -1;
> +            }
> +            break;
> +        case VIR_DOMAIN_LAUNCH_SECURITY_NONE:
> +            break;

And here.

> +        case VIR_DOMAIN_LAUNCH_SECURITY_LAST:
> +            virReportEnumRangeError(virDomainLaunchSecurity, def->sec->sectype);
> +            return -1;
> +        }
>      }
>  
>      if (def->naudios > 1 &&
> diff --git a/src/security/security_dac.c b/src/security/security_dac.c
> index 4909107fcc..b874dd4ab6 100644
> --- a/src/security/security_dac.c
> +++ b/src/security/security_dac.c
> @@ -1958,7 +1958,8 @@ virSecurityDACRestoreAllLabel(virSecurityManager *mgr,
>              rc = -1;
>      }
>  
> -    if (def->sev) {
> +    if (def->sec &&
> +        def->sec->sectype == VIR_DOMAIN_LAUNCH_SECURITY_SEV) {
>          if (virSecurityDACRestoreSEVLabel(mgr, def) < 0)
>              rc = -1;
>      }
> @@ -2165,7 +2166,8 @@ virSecurityDACSetAllLabel(virSecurityManager *mgr,
>              return -1;
>      }
>  
> -    if (def->sev) {
> +    if (def->sec &&
> +        def->sec->sectype == VIR_DOMAIN_LAUNCH_SECURITY_SEV) {
>          if (virSecurityDACSetSEVLabel(mgr, def) < 0)
>              return -1;
>      }
> -- 
> 2.31.1
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