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authorGreg Kurz <gkurz@linux.vnet.ibm.com>2014-06-24 19:15:31 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-06-29 19:39:41 +0300
commit1b5fc0dea469976fcbf6dc2e8f2637a2154af2fb (patch)
tree481aa37972c3f7a3da16166688c5cb9d457e6478 /include
parente38e943a1fa20d04deb1899be19b12aadec7a585 (diff)
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virtio: introduce device specific migration calls
In order to migrate virtio subsections, they should be streamed after the device itself. We need the device specific code to be called from the common migration code to achieve this. This patch introduces load and save methods for this purpose. Suggested-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/hw/virtio/virtio.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 3e54e90aad..3505ce511e 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -150,6 +150,8 @@ typedef struct VirtioDeviceClass {
* must mask in frontend instead.
*/
void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask);
+ void (*save)(VirtIODevice *vdev, QEMUFile *f);
+ int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id);
} VirtioDeviceClass;
void virtio_init(VirtIODevice *vdev, const char *name,
@@ -184,7 +186,7 @@ void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);
void virtio_save(VirtIODevice *vdev, QEMUFile *f);
-int virtio_load(VirtIODevice *vdev, QEMUFile *f);
+int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id);
void virtio_notify_config(VirtIODevice *vdev);