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authorMichael S. Tsirkin <mst@redhat.com>2014-10-14 00:10:35 (GMT)
committerRusty Russell <rusty@rustcorp.com.au>2014-10-14 23:54:55 (GMT)
commitc6716bae52f97347e25166c6270aa98693d9212c (patch)
tree0a8cf01f68e1eb0c0e403c24e9fbf1d76ccb3568 /include
parent016c98c6fe0c914d12e2e242b2bccde6d6dea54b (diff)
virtio-pci: move freeze/restore to virtio core
This is in preparation to extending config changed event handling in core. Wrapping these in an API also seems to make for a cleaner code. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include')
-rw-r--r--include/linux/virtio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 3c19bd3..8df7ba8 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -78,6 +78,7 @@ bool virtqueue_is_broken(struct virtqueue *vq);
/**
* virtio_device - representation of a device using virtio
* @index: unique position on the virtio bus
+ * @failed: saved value for CONFIG_S_FAILED bit (for restore)
* @dev: underlying device.
* @id: the device type identification (used to match it with a driver).
* @config: the configuration ops for this device.
@@ -88,6 +89,7 @@ bool virtqueue_is_broken(struct virtqueue *vq);
*/
struct virtio_device {
int index;
+ bool failed;
struct device dev;
struct virtio_device_id id;
const struct virtio_config_ops *config;
@@ -109,6 +111,10 @@ void unregister_virtio_device(struct virtio_device *dev);
void virtio_break_device(struct virtio_device *dev);
void virtio_config_changed(struct virtio_device *dev);
+#ifdef CONFIG_PM_SLEEP
+int virtio_device_freeze(struct virtio_device *dev);
+int virtio_device_restore(struct virtio_device *dev);
+#endif
/**
* virtio_driver - operations for a virtio I/O driver

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