On Thu, May 26, 2022 at 4:23 PM Stefano Garzarella <sgarzare@xxxxxxxxxx> wrote: > > On Thu, May 26, 2022 at 02:43:35PM +0200, Eugenio Pérez wrote: > >This operation is optional: It it's not implemented, backend feature bit > >will not be exposed. > > > >Signed-off-by: Eugenio Pérez <eperezma@xxxxxxxxxx> > >--- > > include/linux/vdpa.h | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > >diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h > >index 15af802d41c4..ddfebc4e1e01 100644 > >--- a/include/linux/vdpa.h > >+++ b/include/linux/vdpa.h > >@@ -215,6 +215,11 @@ struct vdpa_map_file { > > * @reset: Reset device > > * @vdev: vdpa device > > * Returns integer: success (0) or error (< 0) > >+ * @stop: Stop or resume the device (optional, but it must > >+ * be implemented if require device stop) > >+ * @vdev: vdpa device > >+ * @stop: stop (true), not stop (false) > > Sorry for just seeing this now, but if you have to send a v5, maybe we > could use "resume" here instead of "not stop". > I agree it fits way better, I'll queue for the next :). Thanks! > Thanks, > Stefano > > >+ * Returns integer: success (0) or error (< 0) > > * @get_config_size: Get the size of the configuration space includes > > * fields that are conditional on feature bits. > > * @vdev: vdpa device > >@@ -316,6 +321,7 @@ struct vdpa_config_ops { > > u8 (*get_status)(struct vdpa_device *vdev); > > void (*set_status)(struct vdpa_device *vdev, u8 status); > > int (*reset)(struct vdpa_device *vdev); > >+ int (*stop)(struct vdpa_device *vdev, bool stop); > > size_t (*get_config_size)(struct vdpa_device *vdev); > > void (*get_config)(struct vdpa_device *vdev, unsigned int offset, > > void *buf, unsigned int len); > >-- > >2.31.1 > > >