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| author | Michael S. Tsirkin <mst@redhat.com> | 2014-10-14 10:40:35 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2014-10-15 10:24:55 +1030 |
| commit | c6716bae52f97347e25166c6270aa98693d9212c (patch) | |
| tree | 0a8cf01f68e1eb0c0e403c24e9fbf1d76ccb3568 /include/linux/virtio.h | |
| parent | 016c98c6fe0c914d12e2e242b2bccde6d6dea54b (diff) | |
| download | lwn-c6716bae52f97347e25166c6270aa98693d9212c.tar.gz lwn-c6716bae52f97347e25166c6270aa98693d9212c.zip | |
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/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 3c19bd3189cb..8df7ba81e5c7 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 |