virtio_balloon: correct tags for config space fields

Tag config space fields as having little endian-ness.
Note that balloon is special: LE even when using
the legacy interface.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>

diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h
index dc3e656..ddaa45e 100644 (file)
--- a/include/uapi/linux/virtio_balloon.h
+++ b/include/uapi/linux/virtio_balloon.h
@@ -45,20 +45,20 @@
 #define VIRTIO_BALLOON_CMD_ID_DONE     1
 struct virtio_balloon_config {
        /* Number of pages host wants Guest to give up. */
-       __u32 num_pages;
+       __le32 num_pages;
        /* Number of pages we've actually got in balloon. */
-       __u32 actual;
+       __le32 actual;
        /*
         * Free page hint command id, readonly by guest.
         * Was previously named free_page_report_cmd_id so we
         * need to carry that name for legacy support.
         */
        union {
-               __u32 free_page_hint_cmd_id;
-               __u32 free_page_report_cmd_id;  /* deprecated */
+               __le32 free_page_hint_cmd_id;
+               __le32 free_page_report_cmd_id; /* deprecated */
        };
        /* Stores PAGE_POISON if page poisoning is in use */
-       __u32 poison_val;
+       __le32 poison_val;
 };
 
 #define VIRTIO_BALLOON_S_SWAP_IN  0   /* Amount of memory swapped in */