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-rw-r--r--plugins/api.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/plugins/api.c b/plugins/api.c
index 76b2e652b9..8910cbb2c4 100644
--- a/plugins/api.c
+++ b/plugins/api.c
@@ -484,3 +484,37 @@ void *qemu_plugin_scoreboard_find(struct qemu_plugin_scoreboard *score,
     char *base_ptr = score->data->data;
     return base_ptr + vcpu_index * g_array_get_element_size(score->data);
 }
+
+static uint64_t *plugin_u64_address(qemu_plugin_u64 entry,
+                                    unsigned int vcpu_index)
+{
+    char *ptr = qemu_plugin_scoreboard_find(entry.score, vcpu_index);
+    return (uint64_t *)(ptr + entry.offset);
+}
+
+void qemu_plugin_u64_add(qemu_plugin_u64 entry, unsigned int vcpu_index,
+                         uint64_t added)
+{
+    *plugin_u64_address(entry, vcpu_index) += added;
+}
+
+uint64_t qemu_plugin_u64_get(qemu_plugin_u64 entry,
+                             unsigned int vcpu_index)
+{
+    return *plugin_u64_address(entry, vcpu_index);
+}
+
+void qemu_plugin_u64_set(qemu_plugin_u64 entry, unsigned int vcpu_index,
+                         uint64_t val)
+{
+    *plugin_u64_address(entry, vcpu_index) = val;
+}
+
+uint64_t qemu_plugin_u64_sum(qemu_plugin_u64 entry)
+{
+    uint64_t total = 0;
+    for (int i = 0, n = qemu_plugin_num_vcpus(); i < n; ++i) {
+        total += qemu_plugin_u64_get(entry, i);
+    }
+    return total;
+}