Hi Olivier,
On Fri, Aug 12, 2022 at 4:31 PM 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. This new ioctl will allow the Linux Kernel to register a buffer to be used by the Secure Data Path OPTEE OS feature.
Please find more information here: https://static.linaro.org/connect/san19/presentations/san19-107.pdf
Patch tested on Hikey 6220.
What's new in this V2?
Thanks, Jens
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