[PATCH rfcv4 04/13] 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; --- 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 609a767189..36d56a433c 100644 --- a/docs/formatdomaincaps.rst +++ b/docs/formatdomaincaps.rst @@ -651,6 +651,7 @@ 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 68eb3c9797..8bfe19d774 100644 --- a/src/conf/domain_capabilities.c +++ b/src/conf/domain_capabilities.c @@ -42,6 +42,7 @@ VIR_ENUM_IMPL(virDomainCapsFeature, "backup", "async-teardown", "s390-pv", + "tdx", ); static virClass *virDomainCapsClass; diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h index fadc30cdd7..690e2a1f03 100644 --- a/src/conf/domain_capabilities.h +++ b/src/conf/domain_capabilities.h @@ -250,6 +250,7 @@ typedef enum { VIR_DOMAIN_CAPS_FEATURE_BACKUP, VIR_DOMAIN_CAPS_FEATURE_ASYNC_TEARDOWN, VIR_DOMAIN_CAPS_FEATURE_S390_PV, + 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 e7aa4a1066..a5522b1e67 100644 --- a/src/conf/schemas/domaincaps.rng +++ b/src/conf/schemas/domaincaps.rng @@ -308,6 +308,9 @@ <optional> <ref name="s390-pv"/> </optional> + <optional> + <ref name="tdx"/> + </optional> <optional> <ref name="sev"/> </optional> @@ -363,6 +366,12 @@ </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 33d2b5f392..53a773b853 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -6675,6 +6675,18 @@ 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(virQEMUCaps *qemuCaps, virArch hostarch, @@ -6734,6 +6746,7 @@ virQEMUCapsFillDomainCaps(virQEMUCaps *qemuCaps, virQEMUCapsFillDomainFeatureSGXCaps(qemuCaps, domCaps); virQEMUCapsFillDomainFeatureHypervCaps(qemuCaps, domCaps); virQEMUCapsFillDomainDeviceCryptoCaps(qemuCaps, crypto); + virQEMUCapsFillDomainFeatureTDXCaps(qemuCaps, domCaps); return 0; } -- 2.34.1