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 Chen<nicolinc@xxxxxxxxxx>
---
include/linux/iommufd.h | 8 ++++++++
drivers/iommu/iommufd/driver.c | 20 ++++++++++++++++++++
2 files changed, 28 insertions(+)