Re: [PATCH 0/1] tee: Add tee_shm_register_fd

Hi Olivier,

On Thu, 11 Aug 2022 at 19:26, Olivier Masse olivier.masse@nxp.com 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