tee: generic TEE subsystem
authorJens Wiklander <jens.wiklander@linaro.org>
Wed, 11 Mar 2015 13:39:39 +0000 (14:39 +0100)
committerJens Wiklander <jens.wiklander@linaro.org>
Thu, 9 Mar 2017 14:42:33 +0000 (15:42 +0100)
commit967c9cca2cc50569efc65945325c173cecba83bd
treecf64178161ee3ba1cb18762604b82f2df7738c33
parentc8bfafb1594435889b571b79325011e8b7fd087b
tee: generic TEE subsystem

Initial patch for generic TEE subsystem.
This subsystem provides:
* Registration/un-registration of TEE drivers.
* Shared memory between normal world and secure world.
* Ioctl interface for interaction with user space.
* Sysfs implementation_id of TEE driver

A TEE (Trusted Execution Environment) driver is a driver that interfaces
with a trusted OS running in some secure environment, for example,
TrustZone on ARM cpus, or a separate secure co-processor etc.

The TEE subsystem can serve a TEE driver for a Global Platform compliant
TEE, but it's not limited to only Global Platform TEEs.

This patch builds on other similar implementations trying to solve
the same problem:
* "optee_linuxdriver" by among others
  Jean-michel DELORME<jean-michel.delorme@st.com> and
  Emmanuel MICHEL <emmanuel.michel@st.com>
* "Generic TrustZone Driver" by Javier González <javier@javigon.com>

Acked-by: Andreas Dannenberg <dannenberg@ti.com>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (HiKey)
Tested-by: Volodymyr Babchuk <vlad.babchuk@gmail.com> (RCAR H3)
Tested-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Javier González <javier@javigon.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
12 files changed:
Documentation/ioctl/ioctl-number.txt
MAINTAINERS
drivers/Kconfig
drivers/Makefile
drivers/tee/Kconfig [new file with mode: 0644]
drivers/tee/Makefile [new file with mode: 0644]
drivers/tee/tee_core.c [new file with mode: 0644]
drivers/tee/tee_private.h [new file with mode: 0644]
drivers/tee/tee_shm.c [new file with mode: 0644]
drivers/tee/tee_shm_pool.c [new file with mode: 0644]
include/linux/tee_drv.h [new file with mode: 0644]
include/uapi/linux/tee.h [new file with mode: 0644]