From cb462f891f39ff47179e6fe65437450f9d8c7824 Mon Sep 17 00:00:00 2001
Message-Id: <cb462f891f39ff47179e6fe65437450f9d8c7824@dist-git>
From: Andrea Bolognani <abologna@redhat.com>
Date: Tue, 3 Jul 2018 15:25:16 +0200
Subject: [PATCH] conf: Parse and format the HTM pSeries feature
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
(cherry picked from commit 9f3b9100f33036cb14296aa0a788788743b75a23)
https: //bugzilla.redhat.com/show_bug.cgi?id=1525599
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: David Gibson <dgibson@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
---
docs/formatdomain.html.in | 8 ++++++++
docs/schemas/domaincommon.rng | 5 +++++
src/conf/domain_conf.c | 19 +++++++++++++++++++
src/conf/domain_conf.h | 1 +
src/qemu/qemu_domain.c | 1 +
tests/qemuxml2argvdata/pseries-features.xml | 1 +
tests/qemuxml2argvtest.c | 1 +
tests/qemuxml2xmloutdata/pseries-features.xml | 1 +
tests/qemuxml2xmltest.c | 1 +
9 files changed, 38 insertions(+)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 0d68596991..a3afe137bf 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1929,6 +1929,7 @@
<smm state='on'>
<tseg unit='MiB'>48</tseg>
</smm>
+ <htm state='on'/>
</features>
...</pre>
@@ -2162,6 +2163,13 @@
<dd>Enable QEMU vmcoreinfo device to let the guest kernel save debug
details. <span class="since">Since 4.4.0</span> (QEMU only)
</dd>
+ <dt><code>htm</code></dt>
+ <dd>Configure HTM (Hardware Transational Memory) availability for
+ pSeries guests. Possible values for the <code>state</code> attribute
+ are <code>on</code> and <code>off</code>. If the attribute is not
+ defined, the hypervisor default will be used.
+ <span class="since">Since 4.6.0</span> (QEMU/KVM only)
+ </dd>
</dl>
<h3><a id="elementsTime">Time keeping</a></h3>
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index f46145cf9b..bd687ce9d3 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -4907,6 +4907,11 @@
<optional>
<ref name="vmcoreinfo"/>
</optional>
+ <optional>
+ <element name="htm">
+ <ref name="featurestate"/>
+ </element>
+ </optional>
</interleave>
</element>
</optional>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b8b53450fa..f4e59f6c91 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -152,6 +152,7 @@ VIR_ENUM_IMPL(virDomainFeature, VIR_DOMAIN_FEATURE_LAST,
"ioapic",
"hpt",
"vmcoreinfo",
+ "htm",
);
VIR_ENUM_IMPL(virDomainCapabilitiesPolicy, VIR_DOMAIN_CAPABILITIES_POLICY_LAST,
@@ -19827,6 +19828,22 @@ virDomainDefParseXML(xmlDocPtr xml,
}
break;
+ case VIR_DOMAIN_FEATURE_HTM:
+ if (!(tmp = virXMLPropString(nodes[i], "state"))) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("missing state attribute '%s' of feature '%s'"),
+ tmp, virDomainFeatureTypeToString(val));
+ goto error;
+ }
+ if ((def->features[val] = virTristateSwitchTypeFromString(tmp)) < 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("unknown state attribute '%s' of feature '%s'"),
+ tmp, virDomainFeatureTypeToString(val));
+ goto error;
+ }
+ VIR_FREE(tmp);
+ break;
+
/* coverity[dead_error_begin] */
case VIR_DOMAIN_FEATURE_LAST:
break;
@@ -21961,6 +21978,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src,
case VIR_DOMAIN_FEATURE_VMPORT:
case VIR_DOMAIN_FEATURE_SMM:
case VIR_DOMAIN_FEATURE_VMCOREINFO:
+ case VIR_DOMAIN_FEATURE_HTM:
if (src->features[i] != dst->features[i]) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("State of feature '%s' differs: "
@@ -27626,6 +27644,7 @@ virDomainDefFormatInternal(virDomainDefPtr def,
case VIR_DOMAIN_FEATURE_PMU:
case VIR_DOMAIN_FEATURE_PVSPINLOCK:
case VIR_DOMAIN_FEATURE_VMPORT:
+ case VIR_DOMAIN_FEATURE_HTM:
switch ((virTristateSwitch) def->features[i]) {
case VIR_TRISTATE_SWITCH_LAST:
case VIR_TRISTATE_SWITCH_ABSENT:
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 71437dc485..41d27482fb 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1771,6 +1771,7 @@ typedef enum {
VIR_DOMAIN_FEATURE_IOAPIC,
VIR_DOMAIN_FEATURE_HPT,
VIR_DOMAIN_FEATURE_VMCOREINFO,
+ VIR_DOMAIN_FEATURE_HTM,
VIR_DOMAIN_FEATURE_LAST
} virDomainFeature;
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 4c2a162b85..0eacad1e44 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -3865,6 +3865,7 @@ qemuDomainDefValidateFeatures(const virDomainDef *def,
case VIR_DOMAIN_FEATURE_PMU:
case VIR_DOMAIN_FEATURE_VMPORT:
case VIR_DOMAIN_FEATURE_VMCOREINFO:
+ case VIR_DOMAIN_FEATURE_HTM:
case VIR_DOMAIN_FEATURE_LAST:
break;
}
diff --git a/tests/qemuxml2argvdata/pseries-features.xml b/tests/qemuxml2argvdata/pseries-features.xml
index 30cee5b81c..5c842fe87b 100644
--- a/tests/qemuxml2argvdata/pseries-features.xml
+++ b/tests/qemuxml2argvdata/pseries-features.xml
@@ -10,6 +10,7 @@
<hpt resizing='required'>
<maxpagesize unit='GiB'>1</maxpagesize>
</hpt>
+ <htm state='on'/>
</features>
<devices>
<emulator>/usr/bin/qemu-system-ppc64</emulator>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index c279ac4975..d6911f9344 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1850,6 +1850,7 @@ mymain(void)
DO_TEST("pseries-features",
QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE,
+ QEMU_CAPS_MACHINE_PSERIES_CAP_HTM,
QEMU_CAPS_MACHINE_PSERIES_RESIZE_HPT);
DO_TEST_FAILURE("pseries-features",
QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE);
diff --git a/tests/qemuxml2xmloutdata/pseries-features.xml b/tests/qemuxml2xmloutdata/pseries-features.xml
index f36705f011..55a44c75a0 100644
--- a/tests/qemuxml2xmloutdata/pseries-features.xml
+++ b/tests/qemuxml2xmloutdata/pseries-features.xml
@@ -12,6 +12,7 @@
<hpt resizing='required'>
<maxpagesize unit='KiB'>1048576</maxpagesize>
</hpt>
+ <htm state='on'/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index eac6d5b073..bbb995656e 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -620,6 +620,7 @@ mymain(void)
DO_TEST("pseries-features",
QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE,
+ QEMU_CAPS_MACHINE_PSERIES_CAP_HTM,
QEMU_CAPS_MACHINE_PSERIES_RESIZE_HPT);
DO_TEST("pseries-serial-native",
--
2.18.0