[PATCH v2 04/21] conf: Expose TDX feature in domain capabilities

Extend qemu TDX capability to domain capabilities. Signed-off-by: Chenyi Qiang <chenyi.qiang(a)intel.com&gt; Signed-off-by: Zhenzhong Duan <zhenzhong.duan(a)intel.com&gt; Reviewed-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- docs/formatdomaincaps.rst | 1 + src/conf/domain_capabilities.c | 1 + src/conf/domain_capabilities.h | 1 + src/conf/schemas/domaincaps.rng | 9 +++++++++ src/qemu/qemu_capabilities.c | 13 +++++++++++++ 5 files changed, 25 insertions(+) diff --git a/docs/formatdomaincaps.rst b/docs/formatdomaincaps.rst index ed95af4fee..664194b16d 100644 --- a/docs/formatdomaincaps.rst +++ b/docs/formatdomaincaps.rst @@ -720,6 +720,7 @@ capabilities. All features occur as children of the main ``features`` element. <backingStoreInput supported='yes'/> <backup supported='yes'/> <async-teardown supported='yes'/> + <tdx supported='yes'/> <sev> <cbitpos>47</cbitpos> <reduced-phys-bits>1</reduced-phys-bits> diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c index f7cce92ca1..f29c4e0515 100644 --- a/src/conf/domain_capabilities.c +++ b/src/conf/domain_capabilities.c @@ -44,6 +44,7 @@ VIR_ENUM_IMPL(virDomainCapsFeature, "async-teardown", "s390-pv", "ps2", + "tdx", ); static virClass *virDomainCapsClass; diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h index 60d5fe77de..43141dbdd5 100644 --- a/src/conf/domain_capabilities.h +++ b/src/conf/domain_capabilities.h @@ -281,6 +281,7 @@ typedef enum { VIR_DOMAIN_CAPS_FEATURE_ASYNC_TEARDOWN, VIR_DOMAIN_CAPS_FEATURE_S390_PV, VIR_DOMAIN_CAPS_FEATURE_PS2, + VIR_DOMAIN_CAPS_FEATURE_TDX, VIR_DOMAIN_CAPS_FEATURE_LAST } virDomainCapsFeature; diff --git a/src/conf/schemas/domaincaps.rng b/src/conf/schemas/domaincaps.rng index 8bc34691c7..7edae54931 100644 --- a/src/conf/schemas/domaincaps.rng +++ b/src/conf/schemas/domaincaps.rng @@ -367,6 +367,9 @@ <optional> <ref name="ps2"/> </optional> + <optional> + <ref name="tdx"/> + </optional> <optional> <ref name="sev"/> </optional> @@ -431,6 +434,12 @@ </element> </define> + <define name="tdx"> + <element name="tdx"> + <ref name="supported"/> + </element> + </define> + <define name="sev"> <element name="sev"> <ref name="supported"/> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 3def894a22..f4f77a491c 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -7012,6 +7012,18 @@ virQEMUCapsFillDomainFeatureHypervCaps(virQEMUCaps *qemuCaps, } +static void +virQEMUCapsFillDomainFeatureTDXCaps(virQEMUCaps *qemuCaps, + virDomainCaps *domCaps) +{ + if (domCaps->arch == VIR_ARCH_X86_64 && + domCaps->virttype == VIR_DOMAIN_VIRT_KVM && + virQEMUCapsGet(qemuCaps, QEMU_CAPS_TDX_GUEST) && + virQEMUCapsGetKVMSupportsSecureGuest(qemuCaps)) + domCaps->features[VIR_DOMAIN_CAPS_FEATURE_TDX] = VIR_TRISTATE_BOOL_YES; +} + + int virQEMUCapsFillDomainCaps(virQEMUDriverConfig *cfg, virQEMUCaps *qemuCaps, @@ -7076,6 +7088,7 @@ virQEMUCapsFillDomainCaps(virQEMUDriverConfig *cfg, virQEMUCapsFillDomainFeaturePS2Caps(qemuCaps, domCaps); virQEMUCapsFillDomainFeatureSGXCaps(qemuCaps, domCaps); virQEMUCapsFillDomainFeatureHypervCaps(qemuCaps, domCaps); + virQEMUCapsFillDomainFeatureTDXCaps(qemuCaps, domCaps); virQEMUCapsFillDomainDeviceCryptoCaps(qemuCaps, crypto); virQEMUCapsFillDomainLaunchSecurity(qemuCaps, launchSecurity); virQEMUCapsFillDomainDeviceNetCaps(qemuCaps, net); -- 2.34.1