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

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@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@nvidia.com

Jason