Re: [PATCH v2 12/14] vfio: Make vfio_device_ops pass a 'struct vfio_device *' instead of 'void *'

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On Fri, 12 Mar 2021 20:56:04 -0400
Jason Gunthorpe <jgg@xxxxxxxxxx> wrote:

> This is the standard kernel pattern, the ops associated with a struct get
> the struct pointer in for typesafety. The expected design is to use
> container_of to cleanly go from the subsystem level type to the driver
> level type without having any type erasure in a void *.
> 
> Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> ---
>  Documentation/driver-api/vfio.rst            | 18 ++++----
>  drivers/vfio/fsl-mc/vfio_fsl_mc.c            | 36 +++++++++------
>  drivers/vfio/mdev/vfio_mdev.c                | 33 +++++++-------
>  drivers/vfio/pci/vfio_pci.c                  | 47 ++++++++++++--------
>  drivers/vfio/platform/vfio_platform_common.c | 33 ++++++++------
>  drivers/vfio/vfio.c                          | 20 ++++-----
>  include/linux/vfio.h                         | 16 +++----
>  7 files changed, 117 insertions(+), 86 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>




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