Virtualization - May 2023 - [PATCH] virtio: Add missing documentation for structure fields

On Wed, May 10, 2023 at 10:18:33PM +0200, Simon Horman
wrote:
> On Wed, May 10, 2023 at 04:14:53PM -0400, Michael S. Tsirkin wrote:
> > On Wed, May 10, 2023 at 10:01:17PM +0200, Simon Horman wrote:
> > > On Wed, May 10, 2023 at 12:04:21PM -0400, Michael S. Tsirkin
wrote:
> > > > On Wed, May 10, 2023 at 02:23:12PM +0200, Simon Horman
wrote:
> > > > > Add missing documentation for the vqs_list_lock field
of struct virtio_device,
> > > > > and the validate field of struct virtio_driver.
> > > > > 
> > > > > ./scripts/kernel-doc says:
> > > > > 
> > > > >  .../virtio.h:131: warning: Function parameter or
member 'vqs_list_lock' not described in 'virtio_device'
> > > > >  .../virtio.h:192: warning: Function parameter or
member 'validate' not described in 'virtio_driver'
> > > > >  2 warnings as Errors
> > > > > 
> > > > > No functional changes intended.
> > > > > 
> > > > > Signed-off-by: Simon Horman <horms at kernel.org>
> > > > > ---
> > > > >  include/linux/virtio.h | 2 ++
> > > > >  1 file changed, 2 insertions(+)
> > > > > 
> > > > > diff --git a/include/linux/virtio.h
b/include/linux/virtio.h
> > > > > index b93238db94e3..0b2b82ee3220 100644
> > > > > --- a/include/linux/virtio.h
> > > > > +++ b/include/linux/virtio.h
> > > > > @@ -103,6 +103,7 @@ int virtqueue_resize(struct
virtqueue *vq, u32 num,
> > > > >   * @config_enabled: configuration change reporting
enabled
> > > > >   * @config_change_pending: configuration change
reported while disabled
> > > > >   * @config_lock: protects configuration change
reporting
> > > > > + * @vqs_list_lock: protects @vqs.
> > > > >   * @dev: underlying device.
> > > > >   * @id: the device type identification (used to match
it with a driver).
> > > > >   * @config: the configuration ops for this device.
> > > > > @@ -160,6 +161,7 @@ size_t virtio_max_dma_size(const
struct virtio_device *vdev);
> > > > >   * @feature_table_size: number of entries in the
feature table array.
> > > > >   * @feature_table_legacy: same as feature_table but
when working in legacy mode.
> > > > >   * @feature_table_size_legacy: number of entries in
feature table legacy array.
> > > > > + * @validate: the function to call to vaidate features
at probe time.
> > > > 
> > > > typo
> > > > 
> > > > and this is called before probe actually not at probe time
> > > 
> > > Thanks, how about the following?
> > > 
> > > * @validate: the function to call to validate features
> > 
> > ... and config space
> 
> Ok, so:
> 
> * @validate: the function to call to validate features and config spaces
config space
> > > > >   * @probe: the function to call when a device is
found.  Returns 0 or -errno.
> > > > >   * @scan: optional function to call after successful
probe; intended
> > > > >   *    for virtio-scsi to invoke a scan.
> > > > 
> >