[v1] tee: Add tee_shm_register_fd

[PATCH 0/1] tee: Add tee_shm_register_fd

Olivier Masse posted 1 patch 3 years, 8 months ago

Diff against v2
Download series mbox

There is a newer version of this series

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(-)

Expand all Fold all

[PATCH 0/1] tee: Add tee_shm_register_fd

Posted by Olivier Masse 3 years, 8 months ago

Add a new ioctl called TEE_IOC_SHM_REGISTER_FD to register a
shared memory from a dmabuf file descriptor.

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

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

Posted by Sumit Garg 3 years, 8 months ago

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
>