Using macros, just to avoid repeating code.
Signed-off-by: Juan Quintela <quint...@redhat.com>
---
include/migration/vmstate.h | 16 ++++++++++++++++
vmstate.c | 22 ++++++++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index e7e1705..55d7fe6 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -769,4 +769,20 @@ void vmstate_register_ram(struct MemoryRegion *memory,
DeviceState *dev);
void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
void vmstate_register_ram_global(struct MemoryRegion *memory);
+/* Return true if version_id > X */
+bool vmstate_2_plus(void *opaque, int version_id);
+bool vmstate_3_plus(void *opaque, int version_id);
+bool vmstate_4_plus(void *opaque, int version_id);
+bool vmstate_5_plus(void *opaque, int version_id);
+bool vmstate_6_plus(void *opaque, int version_id);
+bool vmstate_7_plus(void *opaque, int version_id);
+bool vmstate_8_plus(void *opaque, int version_id);
+bool vmstate_9_plus(void *opaque, int version_id);
+bool vmstate_10_plus(void *opaque, int version_id);
+bool vmstate_11_plus(void *opaque, int version_id);
+bool vmstate_12_plus(void *opaque, int version_id);
+bool vmstate_13_plus(void *opaque, int version_id);
+bool vmstate_14_plus(void *opaque, int version_id);
+bool vmstate_15_plus(void *opaque, int version_id);
+
#endif
diff --git a/vmstate.c b/vmstate.c
index e0debfa..abade3f 100644
--- a/vmstate.c
+++ b/vmstate.c
@@ -662,3 +662,25 @@ const VMStateInfo vmstate_info_bitmap = {
.get = get_bitmap,
.put = put_bitmap,
};
+
+/* version is X or bigger */
+#define VMSTATE_X_PLUS(X)\
+bool vmstate_##X##_plus(void *opaque, int version_id)\
+{\
+ return version_id >= X;\
+}
+
+VMSTATE_X_PLUS(2)
+VMSTATE_X_PLUS(3)
+VMSTATE_X_PLUS(4)
+VMSTATE_X_PLUS(5)
+VMSTATE_X_PLUS(6)
+VMSTATE_X_PLUS(7)
+VMSTATE_X_PLUS(8)
+VMSTATE_X_PLUS(9)
+VMSTATE_X_PLUS(10)
+VMSTATE_X_PLUS(11)
+VMSTATE_X_PLUS(12)
+VMSTATE_X_PLUS(13)
+VMSTATE_X_PLUS(14)
+VMSTATE_X_PLUS(15)
--
1.9.0
