vmstate: Add support for sending partial arrays

This one is needed for changees happening on fdc.  It allows you to send
arrays of structs whose size we want to send it is another field with type
uint8_t.  (If you have been able to read the whole sentence without
stoping for breathing, you can use it.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/hw.h b/hw/hw.h
index b9ae33a127cb8a156d1ca3d965d83c80769c0a11..9afe50a350f28a19c7d2db77bbd76fd9b374db05 100644 (file)
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -398,6 +398,18 @@ extern const VMStateInfo vmstate_info_buffer;
         + type_check_array(_type,typeof_field(_state, _field),_num)  \
 }
 
+#define VMSTATE_STRUCT_ARRAY_SIZE_UINT8(_field, _state, _field__num, _version, _vmsd, _type) { \
+    .name       = (stringify(_field)),                               \
+    .num_offset = offsetof(_state, _field_num)                       \
+        + type_check(uint8_t,typeof_field(_state, _field_num)),       \
+    .version_id = (_version),                                        \
+    .vmsd       = &(_vmsd),                                          \
+    .size       = sizeof(_type),                                     \
+    .flags      = VMS_STRUCT|VMS_ARRAY,                              \
+    .offset     = offsetof(_state, _field)                           \
+        + type_check_array(_type,typeof_field(_state, _field),_num)  \
+}
+
 #define VMSTATE_STATIC_BUFFER(_field, _state, _version) {            \
     .name       = (stringify(_field)),                               \
     .version_id = (_version),                                        \