[PATCH v1 07/16] iommufd/viommu: Add driver-allocated vDEVICE support

[Jason Gunthorpe]

On Thu, Apr 10, 2025 at 11:37:46PM -0700, Nicolin Chen wrote:
> To allow IOMMU drivers to allocate own vDEVICE structures, move the struct
> iommufd_vdevice to the public header and provide a pair of viommu ops.
> 
> The iommufd_vdevice_alloc_ioctl will prioritize the callback function from
> the viommu ops, i.e. a driver-allocated vDEVICE.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
> ---
>  drivers/iommu/iommufd/iommufd_private.h |  8 -------
>  include/linux/iommufd.h                 | 32 +++++++++++++++++++++++++
>  drivers/iommu/iommufd/viommu.c          |  9 ++++++-
>  3 files changed, 40 insertions(+), 9 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason