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Thu, 08 Mar 2018 17:13:46 +0000 (UTC) X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The API can be used outside the libvirt to get the launch security information. When SEV is enabled, the API can be used to get the measurement of the launch process. Signed-off-by: Brijesh Singh --- include/libvirt/libvirt-domain.h | 17 ++++++++++++++ src/driver-hypervisor.h | 7 ++++++ src/libvirt-domain.c | 50 ++++++++++++++++++++++++++++++++++++= ++++ src/libvirt_public.syms | 5 ++++ 4 files changed, 79 insertions(+) diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-dom= ain.h index 4048acf38aaf..11c3fec92bfa 100644 --- a/include/libvirt/libvirt-domain.h +++ b/include/libvirt/libvirt-domain.h @@ -4756,4 +4756,21 @@ int virDomainSetLifecycleAction(virDomainPtr domain, unsigned int action, unsigned int flags); =20 +/** + * Launch Security API + */ + +/** + * VIR_DOMAIN_LAUNCH_SECURITY_SEV_MEASUREMENT: + * + * Macro represents the launch measurement of the SEV guest, + * as VIR_TYPED_PARAM_STRING. + */ +#define VIR_DOMAIN_LAUNCH_SECURITY_SEV_MEASUREMENT "sev-measurement" + +int virDomainGetLaunchSecurityInfo(virDomainPtr domain, + virTypedParameterPtr params, + int *nparams, + unsigned int flags); + #endif /* __VIR_LIBVIRT_DOMAIN_H__ */ diff --git a/src/driver-hypervisor.h b/src/driver-hypervisor.h index ce0e2b252552..dc4873a8ad1c 100644 --- a/src/driver-hypervisor.h +++ b/src/driver-hypervisor.h @@ -1283,6 +1283,12 @@ typedef int unsigned int action, unsigned int flags); =20 +typedef int +(*virDrvDomainGetLaunchSecurityInfo)(virDomainPtr domain, + virTypedParameterPtr params, + int *nparams, + unsigned int flags); + =20 typedef struct _virHypervisorDriver virHypervisorDriver; typedef virHypervisorDriver *virHypervisorDriverPtr; @@ -1528,6 +1534,7 @@ struct _virHypervisorDriver { virDrvDomainSetVcpu domainSetVcpu; virDrvDomainSetBlockThreshold domainSetBlockThreshold; virDrvDomainSetLifecycleAction domainSetLifecycleAction; + virDrvDomainGetLaunchSecurityInfo domainGetLaunchSecurityInfo; }; =20 =20 diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c index eaec0979ad49..21356bb92894 100644 --- a/src/libvirt-domain.c +++ b/src/libvirt-domain.c @@ -12095,3 +12095,53 @@ int virDomainSetLifecycleAction(virDomainPtr domai= n, virDispatchError(domain->conn); return -1; } + +/** + * virDomainGetLaunchSecurityInfo: + * @domain: a domain object + * @params: where to store security info + * @nparams: number of items in @params + * @flags: bitwise-OR of virDomainModificationImpact + * + * Get the launch security info. In case of the SEV guest, this will + * return the launch measurement. + * + * Returns -1 in case of failure, 0 in case of success. + */ +int virDomainGetLaunchSecurityInfo(virDomainPtr domain, + virTypedParameterPtr params, + int *nparams, + unsigned int flags) +{ + virConnectPtr conn; + + VIR_DOMAIN_DEBUG(domain, "params=3D%p, nparams=3D%p flags=3D0x%x", + params, nparams, flags); + + virResetLastError(); + + virCheckDomainReturn(domain, -1); + virCheckNonNegativeArgGoto(*nparams, error); + if (*nparams !=3D 0) + virCheckNonNullArgGoto(params, error); + + if (VIR_DRV_SUPPORTS_FEATURE(domain->conn->driver, domain->conn, + VIR_DRV_FEATURE_TYPED_PARAM_STRING)) + flags |=3D VIR_TYPED_PARAM_STRING_OKAY; + + conn =3D domain->conn; + + if (conn->driver->domainGetLaunchSecurityInfo) { + int ret; + ret =3D conn->driver->domainGetLaunchSecurityInfo(domain, params, + nparams, flags); + if (ret < 0) + goto error; + return ret; + } + virReportUnsupportedError(); + + error: + virDispatchError(domain->conn); + return -1; +} diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms index 95df3a0dbc7b..caba2862d371 100644 --- a/src/libvirt_public.syms +++ b/src/libvirt_public.syms @@ -785,4 +785,9 @@ LIBVIRT_4.1.0 { virStoragePoolLookupByTargetPath; } LIBVIRT_3.9.0; =20 +LIBVIRT_4.2.0 { + global: + virDomainGetLaunchSecurityInfo; +} LIBVIRT_4.1.0; + # .... define new API here using predicted next version number .... --=20 2.14.3 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list