[PATCH v4 1/2] vfio: Update the kdoc for vfio_device_ops

[Yi Liu <yi.l.liu@xxxxxxxxx>]

this is missed when adding bind_iommufd/unbind_iommufd and attach_ioas.

Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
---
 include/linux/vfio.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 35be78e9ae57..cc7685386b53 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -70,6 +70,10 @@ struct vfio_device {
  *
  * @init: initialize private fields in device structure
  * @release: Reclaim private fields in device structure
+ * @bind_iommufd: Called when binding the device to an iommufd
+ * @unbind_iommufd: Opposite of bind_iommufd
+ * @attach_ioas: Called when attaching device to an IOAS/HWPT managed by the
+ *		 bound iommufd. Undo in unbind_iommufd.
  * @open_device: Called when the first file descriptor is opened for this device
  * @close_device: Opposite of open_device
  * @read: Perform read(2) on device file descriptor
-- 
2.34.1