1 files changed, 46 insertions, 0 deletions

diff --git a/hw/core/machine.c b/hw/core/machine.c
index c1893fe255..a35c4a8fae 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -11,10 +11,12 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/units.h"
 #include "qemu/accel.h"
 #include "sysemu/replay.h"
 #include "hw/boards.h"
 #include "hw/loader.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qapi/qapi-visit-machine.h"
 #include "qemu/madvise.h"
@@ -907,6 +909,40 @@ static void machine_set_smp(Object *obj, Visitor *v, const char *name,
     machine_parse_smp_config(ms, config, errp);
 }
 
+static void machine_get_smp_cache(Object *obj, Visitor *v, const char *name,
+                                  void *opaque, Error **errp)
+{
+    MachineState *ms = MACHINE(obj);
+    SmpCache *cache = &ms->smp_cache;
+    SmpCachePropertiesList *head = NULL;
+    SmpCachePropertiesList **tail = &head;
+
+    for (int i = 0; i < CACHE_LEVEL_AND_TYPE__MAX; i++) {
+        SmpCacheProperties *node = g_new(SmpCacheProperties, 1);
+
+        node->cache = cache->props[i].cache;
+        node->topology = cache->props[i].topology;
+        QAPI_LIST_APPEND(tail, node);
+    }
+
+    visit_type_SmpCachePropertiesList(v, name, &head, errp);
+    qapi_free_SmpCachePropertiesList(head);
+}
+
+static void machine_set_smp_cache(Object *obj, Visitor *v, const char *name,
+                                  void *opaque, Error **errp)
+{
+    MachineState *ms = MACHINE(obj);
+    SmpCachePropertiesList *caches;
+
+    if (!visit_type_SmpCachePropertiesList(v, name, &caches, errp)) {
+        return;
+    }
+
+    machine_parse_smp_cache(ms, caches, errp);
+    qapi_free_SmpCachePropertiesList(caches);
+}
+
 static void machine_get_boot(Object *obj, Visitor *v, const char *name,
                             void *opaque, Error **errp)
 {
@@ -1067,6 +1103,11 @@ static void machine_class_init(ObjectClass *oc, void *data)
     object_class_property_set_description(oc, "smp",
         "CPU topology");
 
+    object_class_property_add(oc, "smp-cache", "SmpCachePropertiesWrapper",
+        machine_get_smp_cache, machine_set_smp_cache, NULL, NULL);
+    object_class_property_set_description(oc, "smp-cache",
+        "Cache properties list for SMP machine");
+
     object_class_property_add(oc, "phandle-start", "int",
         machine_get_phandle_start, machine_set_phandle_start,
         NULL, NULL);
@@ -1205,6 +1246,11 @@ static void machine_initfn(Object *obj)
     ms->smp.cores = 1;
     ms->smp.threads = 1;
 
+    for (int i = 0; i < CACHE_LEVEL_AND_TYPE__MAX; i++) {
+        ms->smp_cache.props[i].cache = (CacheLevelAndType)i;
+        ms->smp_cache.props[i].topology = CPU_TOPOLOGY_LEVEL_DEFAULT;
+    }
+
     machine_copy_boot_config(ms, &(BootConfiguration){ 0 });
 }