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virDomainFeaturesDefParse: Factor out XEN parsing into separate function

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Only moving code, cleanup to follow.

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Tim Wiederhake 2021-06-22 14:22:50 +02:00 committed by Michal Privoznik
parent b194a21a9e
commit 6b45c61e88
1 changed files with 63 additions and 45 deletions
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108
src/conf/domain_conf.c
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@ -17430,6 +17430,64 @@ virDomainFeaturesKVMDefParse(virDomainDef *def,
}
static int
virDomainFeaturesXENDefParse(virDomainDef *def,
xmlXPathContext *ctxt)
{
g_autofree xmlNodePtr *nodes = NULL;
size_t i;
int n;
def->features[VIR_DOMAIN_FEATURE_XEN] = VIR_TRISTATE_SWITCH_ON;
if (def->features[VIR_DOMAIN_FEATURE_XEN] == VIR_TRISTATE_SWITCH_ON) {
int feature;
virTristateSwitch value;
if ((n = virXPathNodeSet("./features/xen/*", ctxt, &nodes)) < 0)
return -1;
for (i = 0; i < n; i++) {
feature = virDomainXenTypeFromString((const char *)nodes[i]->name);
if (feature < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported Xen feature: %s"),
nodes[i]->name);
return -1;
}
if (virXMLPropTristateSwitch(nodes[i], "state",
VIR_XML_PROP_REQUIRED, &value) < 0)
return -1;
def->xen_features[feature] = value;
switch ((virDomainXen) feature) {
case VIR_DOMAIN_XEN_E820_HOST:
break;
case VIR_DOMAIN_XEN_PASSTHROUGH:
if (value != VIR_TRISTATE_SWITCH_ON)
break;
if (virXMLPropEnum(nodes[i], "mode",
virDomainXenPassthroughModeTypeFromString,
VIR_XML_PROP_NONZERO,
&def->xen_passthrough_mode) < 0)
return -1;
break;
case VIR_DOMAIN_XEN_LAST:
break;
}
}
VIR_FREE(nodes);
}
return 0;
}
static int
virDomainFeaturesDefParse(virDomainDef *def,
xmlXPathContextPtr ctxt)
@ -17468,7 +17526,6 @@ virDomainFeaturesDefParse(virDomainDef *def,
case VIR_DOMAIN_FEATURE_VIRIDIAN:
case VIR_DOMAIN_FEATURE_PRIVNET:
case VIR_DOMAIN_FEATURE_MSRS:
case VIR_DOMAIN_FEATURE_XEN:
def->features[val] = VIR_TRISTATE_SWITCH_ON;
break;
@ -17482,6 +17539,11 @@ virDomainFeaturesDefParse(virDomainDef *def,
return -1;
break;
case VIR_DOMAIN_FEATURE_XEN:
if (virDomainFeaturesXENDefParse(def, ctxt) < 0)
return -1;
break;
case VIR_DOMAIN_FEATURE_CAPABILITIES: {
virDomainCapabilitiesPolicy policy;
@ -17615,50 +17677,6 @@ virDomainFeaturesDefParse(virDomainDef *def,
}
VIR_FREE(nodes);
if (def->features[VIR_DOMAIN_FEATURE_XEN] == VIR_TRISTATE_SWITCH_ON) {
int feature;
virTristateSwitch value;
if ((n = virXPathNodeSet("./features/xen/*", ctxt, &nodes)) < 0)
return -1;
for (i = 0; i < n; i++) {
feature = virDomainXenTypeFromString((const char *)nodes[i]->name);
if (feature < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported Xen feature: %s"),
nodes[i]->name);
return -1;
}
if (virXMLPropTristateSwitch(nodes[i], "state",
VIR_XML_PROP_REQUIRED, &value) < 0)
return -1;
def->xen_features[feature] = value;
switch ((virDomainXen) feature) {
case VIR_DOMAIN_XEN_E820_HOST:
break;
case VIR_DOMAIN_XEN_PASSTHROUGH:
if (value != VIR_TRISTATE_SWITCH_ON)
break;
if (virXMLPropEnum(nodes[i], "mode",
virDomainXenPassthroughModeTypeFromString,
VIR_XML_PROP_NONZERO,
&def->xen_passthrough_mode) < 0)
return -1;
break;
case VIR_DOMAIN_XEN_LAST:
break;
}
}
VIR_FREE(nodes);
}
if (def->features[VIR_DOMAIN_FEATURE_SMM] == VIR_TRISTATE_SWITCH_ON) {
int rv = virParseScaledValue("string(./features/smm/tseg)",
"string(./features/smm/tseg/@unit)",