[PATCH v1 02/16] iommufd/viommu: Allow driver-specific user data for a vIOMMU object

Jason Gunthorpe jgg at nvidia.com
Wed Apr 23 06:16:33 PDT 2025


On Thu, Apr 10, 2025 at 11:37:41PM -0700, Nicolin Chen wrote:
> The new type of vIOMMU for tegra241-cmdqv driver needs a driver-specific
> user data. So, add data_len/uptr to the iommu_viommu_alloc uAPI and pass
> it in via the viommu_alloc iommu op.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
> ---
>  include/uapi/linux/iommufd.h   | 6 ++++++
>  drivers/iommu/iommufd/viommu.c | 8 +++++++-
>  2 files changed, 13 insertions(+), 1 deletion(-)

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

Jason



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