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conf: Introduce virCPUDefCopyModelFilter
The function filters all CPU features through a given callback while copying CPU model related parts of a CPU definition. Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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@ -85,29 +85,46 @@ int ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
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virCPUDefCopyModel(virCPUDefPtr dst,
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const virCPUDef *src,
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bool resetPolicy)
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{
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return virCPUDefCopyModelFilter(dst, src, resetPolicy, NULL, NULL);
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}
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int
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virCPUDefCopyModelFilter(virCPUDefPtr dst,
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const virCPUDef *src,
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bool resetPolicy,
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virCPUDefFeatureFilter filter,
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void *opaque)
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{
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size_t i;
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size_t n;
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if (VIR_STRDUP(dst->model, src->model) < 0 ||
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VIR_STRDUP(dst->vendor, src->vendor) < 0 ||
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VIR_STRDUP(dst->vendor_id, src->vendor_id) < 0 ||
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VIR_ALLOC_N(dst->features, src->nfeatures) < 0)
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return -1;
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dst->nfeatures_max = dst->nfeatures = src->nfeatures;
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dst->nfeatures_max = src->nfeatures;
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dst->nfeatures = 0;
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for (i = 0; i < dst->nfeatures; i++) {
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for (i = 0; i < src->nfeatures; i++) {
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if (filter && !filter(src->features[i].name, opaque))
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continue;
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n = dst->nfeatures++;
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if (dst->type != src->type && resetPolicy) {
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if (dst->type == VIR_CPU_TYPE_HOST)
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dst->features[i].policy = -1;
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dst->features[n].policy = -1;
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else if (src->features[i].policy == -1)
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dst->features[i].policy = VIR_CPU_FEATURE_REQUIRE;
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dst->features[n].policy = VIR_CPU_FEATURE_REQUIRE;
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else
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dst->features[i].policy = src->features[i].policy;
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dst->features[n].policy = src->features[i].policy;
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} else {
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dst->features[i].policy = src->features[i].policy;
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dst->features[n].policy = src->features[i].policy;
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}
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if (VIR_STRDUP(dst->features[i].name, src->features[i].name) < 0)
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if (VIR_STRDUP(dst->features[n].name, src->features[i].name) < 0)
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return -1;
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}
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@ -123,6 +123,20 @@ virCPUDefCopyModel(virCPUDefPtr dst,
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const virCPUDef *src,
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bool resetPolicy);
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/*
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* Returns true if feature @name should copied, false otherwise.
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*/
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typedef bool (*virCPUDefFeatureFilter)(const char *name,
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void *opaque);
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int
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virCPUDefCopyModelFilter(virCPUDefPtr dst,
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const virCPUDef *src,
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bool resetPolicy,
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virCPUDefFeatureFilter filter,
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void *opaque)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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void
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virCPUDefStealModel(virCPUDefPtr dst,
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virCPUDefPtr src);
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@ -66,6 +66,7 @@ virCapabilitiesSetNetPrefix;
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virCPUDefAddFeature;
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virCPUDefCopy;
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virCPUDefCopyModel;
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virCPUDefCopyModelFilter;
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virCPUDefCopyWithoutModel;
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virCPUDefFormat;
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virCPUDefFormatBuf;
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