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Mon, 02 Apr 2018 14:20:06 +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 | 48 ++++++++++++++++++++++++++++++++++++= ++++ src/libvirt_public.syms | 5 +++++ 4 files changed, 77 insertions(+) diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-dom= ain.h index 12fd340..6870a1a 100644 --- a/include/libvirt/libvirt-domain.h +++ b/include/libvirt/libvirt-domain.h @@ -4764,4 +4764,21 @@ 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 ce0e2b2..b066413 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 63d2ae2..5b63a3c 100644 --- a/src/libvirt-domain.c +++ b/src/libvirt-domain.c @@ -12101,3 +12101,51 @@ 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: currently used, set to 0. + * + * 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 =3D domain->conn; + + VIR_DOMAIN_DEBUG(domain, "params=3D%p, nparams=3D%p flags=3D0x%x", + params, nparams, flags); + + virResetLastError(); + + virCheckDomainReturn(domain, -1); + virCheckNonNullArgGoto(params, error); + virCheckNonNullArgGoto(nparams, error); + virCheckReadOnlyGoto(conn->flags, error); + + if (VIR_DRV_SUPPORTS_FEATURE(domain->conn->driver, domain->conn, + VIR_DRV_FEATURE_TYPED_PARAM_STRING)) + flags |=3D VIR_TYPED_PARAM_STRING_OKAY; + + 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 95df3a0..caba286 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 2.7.4 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list