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conf: Introduce virCPUDefCheckFeatures
This API can be used to check whether a CPU definition contains features matching a given filter. Signed-off-by: Jiri Denemark <jdenemar@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
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@ -930,6 +930,39 @@ virCPUDefFilterFeatures(virCPUDefPtr cpu,
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}
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/**
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* virCPUDefCheckFeatures:
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*
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* Check CPU features for which @filter reports true and store them in a NULL
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* terminated list returned via @features.
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*
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* Returns the number of features matching @filter or -1 on error.
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*/
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int
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virCPUDefCheckFeatures(virCPUDefPtr cpu,
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virCPUDefFeatureFilter filter,
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void *opaque,
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char ***features)
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{
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VIR_AUTOSTRINGLIST list = NULL;
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size_t n = 0;
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size_t i;
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*features = NULL;
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for (i = 0; i < cpu->nfeatures; i++) {
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if (filter(cpu->features[i].name, opaque)) {
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if (virStringListAdd(&list, cpu->features[i].name) < 0)
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return -1;
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n++;
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}
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}
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VIR_STEAL_PTR(*features, list);
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return n;
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}
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bool
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virCPUDefIsEqual(virCPUDefPtr src,
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virCPUDefPtr dst,
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@ -224,6 +224,12 @@ virCPUDefFilterFeatures(virCPUDefPtr cpu,
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virCPUDefFeatureFilter filter,
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void *opaque);
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int
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virCPUDefCheckFeatures(virCPUDefPtr cpu,
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virCPUDefFeatureFilter filter,
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void *opaque,
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char ***features);
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virCPUDefPtr *
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virCPUDefListParse(const char **xmlCPUs,
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unsigned int ncpus,
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@ -73,6 +73,7 @@ virCapabilitiesSetNetPrefix;
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virCPUCacheModeTypeFromString;
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virCPUCacheModeTypeToString;
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virCPUDefAddFeature;
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virCPUDefCheckFeatures;
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virCPUDefCopy;
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virCPUDefCopyModel;
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virCPUDefCopyModelFilter;
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