block: New change_media_cb() parameter load
To let device models distinguish between eject and load.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block.h b/block.h
index 4b7fa35..16bfa0a 100644
--- a/block.h
+++ b/block.h
@@ -32,11 +32,12 @@
typedef struct BlockDevOps {
/*
* Runs when virtual media changed (monitor commands eject, change)
+ * Argument load is true on load and false on eject.
* Beware: doesn't run when a host device's physical media
* changes. Sure would be useful if it did.
* Device models with removable media must implement this callback.
*/
- void (*change_media_cb)(void *opaque);
+ void (*change_media_cb)(void *opaque, bool load);
/*
* Is the virtual tray open?
* Device models implement this only when the device has a tray.
