Add qemu 2.4.0

[kvmfornfv.git] / qemu / include / qemu / module.h

diff --git a/qemu/include/qemu/module.h b/qemu/include/qemu/module.h
new file mode 100644 (file)
index 0000000..72d9498
--- /dev/null
+++ b/qemu/include/qemu/module.h
@@ -0,0 +1,61 @@
+/*
+ * QEMU Module Infrastructure
+ *
+ * Copyright IBM, Corp. 2009
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_MODULE_H
+#define QEMU_MODULE_H
+
+#include "qemu/osdep.h"
+
+#define DSO_STAMP_FUN         glue(qemu_stamp, CONFIG_STAMP)
+#define DSO_STAMP_FUN_STR     stringify(DSO_STAMP_FUN)
+
+#ifdef BUILD_DSO
+void DSO_STAMP_FUN(void);
+/* This is a dummy symbol to identify a loaded DSO as a QEMU module, so we can
+ * distinguish "version mismatch" from "not a QEMU module", when the stamp
+ * check fails during module loading */
+void qemu_module_dummy(void);
+
+#define module_init(function, type)                                         \
+static void __attribute__((constructor)) do_qemu_init_ ## function(void)    \
+{                                                                           \
+    register_dso_module_init(function, type);                               \
+}
+#else
+/* This should not be used directly.  Use block_init etc. instead.  */
+#define module_init(function, type)                                         \
+static void __attribute__((constructor)) do_qemu_init_ ## function(void)    \
+{                                                                           \
+    register_module_init(function, type);                                   \
+}
+#endif
+
+typedef enum {
+    MODULE_INIT_BLOCK,
+    MODULE_INIT_MACHINE,
+    MODULE_INIT_QAPI,
+    MODULE_INIT_QOM,
+    MODULE_INIT_MAX
+} module_init_type;
+
+#define block_init(function) module_init(function, MODULE_INIT_BLOCK)
+#define machine_init(function) module_init(function, MODULE_INIT_MACHINE)
+#define qapi_init(function) module_init(function, MODULE_INIT_QAPI)
+#define type_init(function) module_init(function, MODULE_INIT_QOM)
+
+void register_module_init(void (*fn)(void), module_init_type type);
+void register_dso_module_init(void (*fn)(void), module_init_type type);
+
+void module_call_init(module_init_type type);
+
+#endif