numa: make 'info numa' take into account hotplugged memory

When do memory hotplug, if there is numa node, we should add
the memory size to the corresponding node memory size.

It affects the result of hmp command "info numa".

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

1 files changed, 38 insertions, 0 deletions

diff --git a/numa.c b/numa.c
index 3b981359d1..afd28666b3 100644
--- a/numa.c
+++ b/numa.c
@@ -35,6 +35,7 @@
 #include "hw/boards.h"
 #include "sysemu/hostmem.h"
 #include "qmp-commands.h"
+#include "hw/mem/pc-dimm.h"
 
 QemuOptsList qemu_numa_opts = {
     .name = "numa",
@@ -315,6 +316,43 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
     }
 }
 
+static void numa_stat_memory_devices(uint64_t node_mem[])
+{
+    MemoryDeviceInfoList *info_list = NULL;
+    MemoryDeviceInfoList **prev = &info_list;
+    MemoryDeviceInfoList *info;
+
+    qmp_pc_dimm_device_list(qdev_get_machine(), &prev);
+    for (info = info_list; info; info = info->next) {
+        MemoryDeviceInfo *value = info->value;
+
+        if (value) {
+            switch (value->kind) {
+            case MEMORY_DEVICE_INFO_KIND_DIMM:
+                node_mem[value->dimm->node] += value->dimm->size;
+                break;
+            default:
+                break;
+            }
+        }
+    }
+    qapi_free_MemoryDeviceInfoList(info_list);
+}
+
+void query_numa_node_mem(uint64_t node_mem[])
+{
+    int i;
+
+    if (nb_numa_nodes <= 0) {
+        return;
+    }
+
+    numa_stat_memory_devices(node_mem);
+    for (i = 0; i < nb_numa_nodes; i++) {
+        node_mem[i] += numa_info[i].node_mem;
+    }
+}
+
 static int query_memdev(Object *obj, void *opaque)
 {
     MemdevList **list = opaque;