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authorMichael S. Tsirkin <mst@redhat.com>2014-12-04 21:20:27 +0300
committerMichael S. Tsirkin <mst@redhat.com>2014-12-09 17:32:32 +0300
commit5c609a5ef05d98e26778824ba84581fe5e400db6 (patch)
tree487da89e8ad7ef9d3bcb485ae877518f1669e18b /include/linux/virtio_config.h
parentce15408f350c4b97635618692a45aedabfdd2696 (diff)
downloadlinux-5c609a5ef05d98e26778824ba84581fe5e400db6.tar.xz
virtio: allow finalize_features to fail
This will make it easy for transports to validate features and return failure. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/linux/virtio_config.h')
-rw-r--r--include/linux/virtio_config.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 1fa5faa26440..7979f850e7ac 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -47,6 +47,7 @@
* vdev: the virtio_device
* This gives the final feature bits for the device: it can change
* the dev->feature bits if it wants.
+ * Returns 0 on success or error status
* @bus_name: return the bus name associated with the device
* vdev: the virtio_device
* This returns a pointer to the bus name a la pci_name from which
@@ -68,7 +69,7 @@ struct virtio_config_ops {
const char *names[]);
void (*del_vqs)(struct virtio_device *);
u64 (*get_features)(struct virtio_device *vdev);
- void (*finalize_features)(struct virtio_device *vdev);
+ int (*finalize_features)(struct virtio_device *vdev);
const char *(*bus_name)(struct virtio_device *vdev);
int (*set_vq_affinity)(struct virtqueue *vq, int cpu);
};