Re: [PATCH v4 07/14] iommufd/viommu: Add iommufd_viommu_get_vdev_id helper

On 1/4/25 03:43, Nicolin Chen wrote:

This is a reverse search v.s. iommufd_viommu_find_dev, as drivers may want to convert a struct device pointer (physical) to its virtual device ID for an event injection to the user space VM.

Again, this avoids exposing more core structures to the drivers, than the iommufd_viommu alone.

Signed-off-by: Nicolin Chennicolinc@nvidia.com

include/linux/iommufd.h | 8 ++++++++ drivers/iommu/iommufd/driver.c | 20 ++++++++++++++++++++ 2 files changed, 28 insertions(+)

Reviewed-by: Lu Baolu baolu.lu@linux.intel.com