Hi Olivier, On Thu, 11 Aug 2022 at 19:26, Olivier Masse <olivier.masse@xxxxxxx> wrote: > > Add a new ioctl called TEE_IOC_SHM_REGISTER_FD to register a > shared memory from a dmabuf file descriptor. > IIRC, here you are trying to fill the gap for OP-TEE SDP use-case. But the use-case should be described here, its current status with OP-TEE upstream and which platform you have tested this interface with? -Sumit > Etienne Carriere (1): > tee: new ioctl to a register tee_shm from a dmabuf file descriptor > > drivers/tee/tee_core.c | 38 +++++++++++++++ > drivers/tee/tee_shm.c | 99 +++++++++++++++++++++++++++++++++++++++- > include/linux/tee_drv.h | 11 +++++ > include/uapi/linux/tee.h | 29 ++++++++++++ > 4 files changed, 175 insertions(+), 2 deletions(-) > > -- > 2.25.0 >