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-rw-r--r--hw/core/machine-smp.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/hw/core/machine-smp.c b/hw/core/machine-smp.c
index 5d8d7edcbd..c6d90cd6d4 100644
--- a/hw/core/machine-smp.c
+++ b/hw/core/machine-smp.c
@@ -261,6 +261,31 @@ void machine_parse_smp_config(MachineState *ms,
     }
 }
 
+bool machine_parse_smp_cache(MachineState *ms,
+                             const SmpCachePropertiesList *caches,
+                             Error **errp)
+{
+    const SmpCachePropertiesList *node;
+    DECLARE_BITMAP(caches_bitmap, CACHE_LEVEL_AND_TYPE__MAX);
+
+    for (node = caches; node; node = node->next) {
+        /* Prohibit users from repeating settings. */
+        if (test_bit(node->value->cache, caches_bitmap)) {
+            error_setg(errp,
+                       "Invalid cache properties: %s. "
+                       "The cache properties are duplicated",
+                       CacheLevelAndType_str(node->value->cache));
+            return false;
+        }
+
+        machine_set_cache_topo_level(ms, node->value->cache,
+                                     node->value->topology);
+        set_bit(node->value->cache, caches_bitmap);
+    }
+
+    return true;
+}
+
 unsigned int machine_topo_get_cores_per_socket(const MachineState *ms)
 {
     return ms->smp.cores * ms->smp.modules * ms->smp.clusters * ms->smp.dies;
@@ -270,3 +295,15 @@ unsigned int machine_topo_get_threads_per_socket(const MachineState *ms)
 {
     return ms->smp.threads * machine_topo_get_cores_per_socket(ms);
 }
+
+CpuTopologyLevel machine_get_cache_topo_level(const MachineState *ms,
+                                              CacheLevelAndType cache)
+{
+    return ms->smp_cache.props[cache].topology;
+}
+
+void machine_set_cache_topo_level(MachineState *ms, CacheLevelAndType cache,
+                                  CpuTopologyLevel level)
+{
+    ms->smp_cache.props[cache].topology = level;
+}