hostmem: separate allocation from UserCreatable complete method
This allows the superclass to set various policies on the memory
region that the subclass creates. Drops hostmem-ram's complete method
accordingly.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h
index 4fc081e..923f672 100644
--- a/include/sysemu/hostmem.h
+++ b/include/sysemu/hostmem.h
@@ -34,6 +34,8 @@
*/
struct HostMemoryBackendClass {
ObjectClass parent_class;
+
+ void (*alloc)(HostMemoryBackend *backend, Error **errp);
};
/**
