[PATCH v1 6/7] domain_capabilities: Expose Hyper-V Enlightenments
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
docs/formatdomaincaps.rst | 15 +++++++++++++++
src/conf/domain_capabilities.c | 12 ++++++++++++
src/conf/domain_capabilities.h | 8 ++++++++
src/conf/schemas/domaincaps.rng | 10 ++++++++++
4 files changed, 45 insertions(+)
diff --git a/docs/formatdomaincaps.rst b/docs/formatdomaincaps.rst
index 532fea0f60..dc227e9d02 100644
--- a/docs/formatdomaincaps.rst
+++ b/docs/formatdomaincaps.rst
@@ -624,6 +624,12 @@ capabilities. All features occur as children of the main ``features``
element.
<section node='1' size='262144' unit='KiB'/>
</sections>
</sgx>
+ <hyperv supported='yes'>
+ <enum name='features'>
+ <value>relaxed</value>
+ <value>vapic</value>
+ </enum>
+ </hyperv>
</features>
</domainCapabilities>
@@ -733,3 +739,12 @@ document store. In order to use SGX with libvirt have a look at `SGX
in domain X
``sections``
The sections of the SGX enclave page cache (called EPC).
+
+
+Hyper-V Enlightenments
+^^^^^^^^^^^^^^^^^^^^^^
+
+Report which features improving behavior of guests running Microsoft Windows
+are supported. The ``features`` enum corresponds to the ``<hyperv/>`` element
+(well, its children) as documented in `Hypervisor features
+<formatdomain.html#hypervisor-features>`__
diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c
index 4e412c0fd8..88bb8e2872 100644
--- a/src/conf/domain_capabilities.c
+++ b/src/conf/domain_capabilities.c
@@ -684,6 +684,17 @@ virDomainCapsFeatureSGXFormat(virBuffer *buf,
virBufferAddLit(buf, "</sgx>\n");
}
+static void
+virDomainCapsFeatureHypervFormat(virBuffer *buf,
+ const virDomainCapsFeatureHyperv *hyperv)
+{
+ FORMAT_PROLOGUE(hyperv);
+
+ ENUM_PROCESS(hyperv, features, virDomainHypervTypeToString);
+
+ FORMAT_EPILOGUE(hyperv);
+}
+
static void
virDomainCapsFormatFeatures(const virDomainCaps *caps,
virBuffer *buf)
@@ -704,6 +715,7 @@ virDomainCapsFormatFeatures(const virDomainCaps *caps,
virDomainCapsFeatureSEVFormat(&childBuf, caps->sev);
virDomainCapsFeatureSGXFormat(&childBuf, caps->sgx);
+ virDomainCapsFeatureHypervFormat(&childBuf, &caps->hyperv);
virXMLFormatElement(buf, "features", NULL, &childBuf);
}
diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h
index 1d504a3506..5ed29c7444 100644
--- a/src/conf/domain_capabilities.h
+++ b/src/conf/domain_capabilities.h
@@ -158,6 +158,13 @@ struct _virDomainCapsFeatureGIC {
virDomainCapsEnum version; /* Info about virGICVersion */
};
+STATIC_ASSERT_ENUM(VIR_DOMAIN_HYPERV_LAST);
+typedef struct _virDomainCapsFeatureHyperv virDomainCapsFeatureHyperv;
+struct _virDomainCapsFeatureHyperv {
+ virTristateBool supported;
+ virDomainCapsEnum features; /* Info about supported virDomainHyperv features */
+};
+
typedef enum {
VIR_DOMCAPS_CPU_USABLE_UNKNOWN,
VIR_DOMCAPS_CPU_USABLE_YES,
@@ -263,6 +270,7 @@ struct _virDomainCaps {
virDomainCapsFeatureGIC gic;
virSEVCapability *sev;
virSGXCapability *sgx;
+ virDomainCapsFeatureHyperv hyperv;
/* add new domain features here */
virTristateBool features[VIR_DOMAIN_CAPS_FEATURE_LAST];
diff --git a/src/conf/schemas/domaincaps.rng b/src/conf/schemas/domaincaps.rng
index b6408bca88..4b96e89dfa 100644
--- a/src/conf/schemas/domaincaps.rng
+++ b/src/conf/schemas/domaincaps.rng
@@ -296,6 +296,9 @@
<optional>
<ref name="sgx"/>
</optional>
+ <optional>
+ <ref name="hyperv"/>
+ </optional>
</element>
</define>
@@ -396,6 +399,13 @@
</element>
</define>
+ <define name="hyperv">
+ <element name="hyperv">
+ <ref name="supported"/>
+ <ref name="enum"/>
+ </element>
+ </define>
+
<define name="value">
<zeroOrMore>
<element name="value">
--
2.38.2