[libvirt] [RFC PATCH 5/6] conf: Parse and format HPT maxpagesize
Andrea Bolognani
abologna at redhat.com
Wed May 23 16:18:01 UTC 2018
This commit is best viewed with 'git show -w'.
Signed-off-by: Andrea Bolognani <abologna at redhat.com>
---
docs/schemas/domaincommon.rng | 21 ++++++---
src/conf/domain_conf.c | 44 ++++++++++++++++---
src/conf/domain_conf.h | 1 +
tests/qemuxml2argvdata/pseries-features.xml | 4 +-
tests/qemuxml2argvtest.c | 1 +
tests/qemuxml2xmloutdata/pseries-features.xml | 4 +-
tests/qemuxml2xmltest.c | 1 +
7 files changed, 60 insertions(+), 16 deletions(-)
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index f16e157397..7b631f7d93 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -5018,13 +5018,20 @@
<define name="hpt">
<element name="hpt">
- <attribute name="resizing">
- <choice>
- <value>enabled</value>
- <value>disabled</value>
- <value>required</value>
- </choice>
- </attribute>
+ <optional>
+ <attribute name="resizing">
+ <choice>
+ <value>enabled</value>
+ <value>disabled</value>
+ <value>required</value>
+ </choice>
+ </attribute>
+ </optional>
+ <optional>
+ <element name="maxpagesize">
+ <ref name='scaledInteger'/>
+ </element>
+ </optional>
</element>
</define>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 20b845f02a..e84cfb0d05 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -19493,8 +19493,24 @@ virDomainDefParseXML(xmlDocPtr xml,
VIR_FREE(tmp);
}
- if (def->hpt_resizing != VIR_DOMAIN_HPT_RESIZING_NONE)
+ if (virDomainParseScaledValue("./features/hpt/maxpagesize",
+ NULL,
+ ctxt,
+ &def->hpt_maxpagesize,
+ 1024,
+ ULLONG_MAX,
+ false) < 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ "%s",
+ _("Unable to parse HPT maxpagesize setting"));
+ goto error;
+ }
+ def->hpt_maxpagesize = VIR_ROUND_UP(def->hpt_maxpagesize, 1024);
+
+ if (def->hpt_resizing != VIR_DOMAIN_HPT_RESIZING_NONE ||
+ def->hpt_maxpagesize > 0) {
def->features[val] = VIR_TRISTATE_SWITCH_ON;
+ }
break;
/* coverity[dead_error_begin] */
@@ -21625,15 +21641,18 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src,
case VIR_DOMAIN_FEATURE_HPT:
if (src->features[i] != dst->features[i] ||
- src->hpt_resizing != dst->hpt_resizing) {
+ src->hpt_resizing != dst->hpt_resizing ||
+ src->hpt_maxpagesize != dst->hpt_maxpagesize) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("State of feature '%s' differs: "
- "source: '%s,%s=%s', destination: '%s,%s=%s'"),
+ "source: '%s,%s=%s,%s=%llu', destination: '%s,%s=%s,%s=%llu'"),
featureName,
virTristateSwitchTypeToString(src->features[i]),
"resizing", virDomainHPTResizingTypeToString(src->hpt_resizing),
+ "maxpagesize", src->hpt_maxpagesize,
virTristateSwitchTypeToString(dst->features[i]),
- "resizing", virDomainHPTResizingTypeToString(dst->hpt_resizing));
+ "resizing", virDomainHPTResizingTypeToString(dst->hpt_resizing),
+ "maxpagesize", dst->hpt_maxpagesize);
return false;
}
break;
@@ -27209,10 +27228,11 @@ virDomainDefFormatInternal(virDomainDefPtr def,
case VIR_DOMAIN_FEATURE_HPT: {
bool hasResizing = def->hpt_resizing != VIR_DOMAIN_HPT_RESIZING_NONE;
+ bool hasMaxPageSize = def->hpt_maxpagesize > 0;
char *resizing = NULL;
if (def->features[i] != VIR_TRISTATE_SWITCH_ON ||
- !hasResizing) {
+ (!hasResizing && !hasMaxPageSize)) {
break;
}
@@ -27226,8 +27246,18 @@ virDomainDefFormatInternal(virDomainDefPtr def,
goto error;
}
- virBufferAsprintf(buf, "<hpt%s/>\n",
- resizing);
+ if (hasMaxPageSize) {
+ virBufferAsprintf(buf, "<hpt%s>\n",
+ resizing);
+ virBufferAdjustIndent(buf, 2);
+ virBufferAsprintf(buf, "<maxpagesize unit='KiB'>%llu</maxpagesize>\n",
+ def->hpt_maxpagesize / 1024);
+ virBufferAdjustIndent(buf, -2);
+ virBufferAddLit(buf, "</hpt>\n");
+ } else {
+ virBufferAsprintf(buf, "<hpt%s/>\n",
+ resizing);
+ }
VIR_FREE(resizing);
break;
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index cb0945b6c0..dbc649347c 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2377,6 +2377,7 @@ struct _virDomainDef {
unsigned int hyperv_spinlocks;
virGICVersion gic_version;
virDomainHPTResizing hpt_resizing;
+ unsigned long long hpt_maxpagesize;
char *hyperv_vendor_id;
int apic_eoi;
diff --git a/tests/qemuxml2argvdata/pseries-features.xml b/tests/qemuxml2argvdata/pseries-features.xml
index 5ef1a744c8..30cee5b81c 100644
--- a/tests/qemuxml2argvdata/pseries-features.xml
+++ b/tests/qemuxml2argvdata/pseries-features.xml
@@ -7,7 +7,9 @@
<type arch='ppc64' machine='pseries'>hvm</type>
</os>
<features>
- <hpt resizing='required'/>
+ <hpt resizing='required'>
+ <maxpagesize unit='GiB'>1</maxpagesize>
+ </hpt>
</features>
<devices>
<emulator>/usr/bin/qemu-system-ppc64</emulator>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 1d023129ac..a7392ea655 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1822,6 +1822,7 @@ mymain(void)
DO_TEST("pseries-features",
QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+ QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MPS,
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 e8ed842fb6..f36705f011 100644
--- a/tests/qemuxml2xmloutdata/pseries-features.xml
+++ b/tests/qemuxml2xmloutdata/pseries-features.xml
@@ -9,7 +9,9 @@
<boot dev='hd'/>
</os>
<features>
- <hpt resizing='required'/>
+ <hpt resizing='required'>
+ <maxpagesize unit='KiB'>1048576</maxpagesize>
+ </hpt>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index e31d8212fe..128c14d5d1 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -617,6 +617,7 @@ mymain(void)
DO_TEST("pseries-features",
QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+ QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MPS,
QEMU_CAPS_MACHINE_PSERIES_RESIZE_HPT);
DO_TEST("pseries-serial-native",
--
2.17.0
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