linux-stable.git/include/linux/tee_drv.h, branch v5.13.2 Linux kernel stable tree tee: fix some comment typos in header files 2021-02-02T13:50:15+00:00 Elvira Khabirova e.khabirova@omprussia.ru 2020-09-20T01:58:57+00:00 c7020068bf2397b60bb62a1f71ca0fe626c1f7e7 struct tee_param: revc -> recv. TEE_IOC_SUPPL_SEND: typo introduced by copy-pasting, replace invalid description with description from the according argument struct. Signed-off-by: Elvira Khabirova <e.khabirova@omprussia.ru> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
struct tee_param: revc -> recv.
TEE_IOC_SUPPL_SEND: typo introduced by copy-pasting, replace invalid
description with description from the according argument struct.

Signed-off-by: Elvira Khabirova <e.khabirova@omprussia.ru>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
driver: tee: Handle NULL pointer indication from client 2020-08-21T06:55:13+00:00 Cedric Neveux cedric.neveux@nxp.com 2019-03-04T07:54:23+00:00 ba171d3f0850003216fd1a85190d17b1feddb961 TEE Client introduce a new capability "TEE_GEN_CAP_MEMREF_NULL" to handle the support of the shared memory buffer with a NULL pointer. This capability depends on TEE Capabilities and driver support. Driver and TEE exchange capabilities at driver initialization. Signed-off-by: Michael Whitfield <michael.whitfield@nxp.com> Signed-off-by: Cedric Neveux <cedric.neveux@nxp.com> Reviewed-by: Joakim Bech <joakim.bech@linaro.org> Tested-by: Joakim Bech <joakim.bech@linaro.org> (QEMU) Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
TEE Client introduce a new capability "TEE_GEN_CAP_MEMREF_NULL"
to handle the support of the shared memory buffer with a NULL pointer.

This capability depends on TEE Capabilities and driver support.
Driver and TEE exchange capabilities at driver initialization.

Signed-off-by: Michael Whitfield <michael.whitfield@nxp.com>
Signed-off-by: Cedric Neveux <cedric.neveux@nxp.com>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
Tested-by: Joakim Bech <joakim.bech@linaro.org> (QEMU)
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Merge tag 'tee-login-for-5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers 2020-05-25T21:15:03+00:00 Arnd Bergmann arnd@arndb.de 2020-05-25T21:15:02+00:00 be4ad166b4e229ba7f129c5e3bd5ff0347652422 Adds utility function in TEE subsystem for client UUID generation. This function is also used in the optee driver. * tag 'tee-login-for-5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee: tee: optee: Add support for session login client UUID generation tee: add support for session's client UUID generation Link: https://lore.kernel.org/r/20200512131243.GA10028@jade Signed-off-by: Arnd Bergmann <arnd@arndb.de> 
Adds utility function in TEE subsystem for client UUID generation. This
function is also used in the optee driver.

* tag 'tee-login-for-5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee:
  tee: optee: Add support for session login client UUID generation
  tee: add support for session's client UUID generation

Link: https://lore.kernel.org/r/20200512131243.GA10028@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
tee: add support for session's client UUID generation 2020-05-11T12:11:26+00:00 Vesa Jääskeläinen vesa.jaaskelainen@vaisala.com 2020-04-30T12:37:09+00:00 e33bcbab16d1c0dd85d72bec275308369ad901f5 TEE Client API defines that from user space only information needed for specified login operations is group identifier for group based logins. REE kernel is expected to formulate trustworthy client UUID and pass that to TEE environment. REE kernel is required to verify that provided group identifier for group based logins matches calling processes group memberships. TEE specification only defines that the information passed from REE environment to TEE environment is encoded into on UUID. In order to guarantee trustworthiness of client UUID user space is not allowed to freely pass client UUID. UUIDv5 form is used encode variable amount of information needed for different login types. Signed-off-by: Vesa Jääskeläinen <vesa.jaaskelainen@vaisala.com> [jw: remove unused variable application_id] Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
TEE Client API defines that from user space only information needed for
specified login operations is group identifier for group based logins.

REE kernel is expected to formulate trustworthy client UUID and pass that
to TEE environment. REE kernel is required to verify that provided group
identifier for group based logins matches calling processes group
memberships.

TEE specification only defines that the information passed from REE
environment to TEE environment is encoded into on UUID.

In order to guarantee trustworthiness of client UUID user space is not
allowed to freely pass client UUID.

UUIDv5 form is used encode variable amount of information needed for
different login types.

Signed-off-by: Vesa Jääskeläinen <vesa.jaaskelainen@vaisala.com>
[jw: remove unused variable application_id]
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
tee: enable support to register kernel memory 2020-04-20T13:49:56+00:00 Sumit Garg sumit.garg@linaro.org 2020-03-27T05:29:47+00:00 2a6ba3f794e892c37d67b8ebb19487ce105eabc2 Enable support to register kernel memory reference with TEE. This change will allow TEE bus drivers to register memory references. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
Enable support to register kernel memory reference with TEE. This change
will allow TEE bus drivers to register memory references.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
tee: remove redundant teedev in struct tee_shm 2020-02-28T12:37:42+00:00 Jens Wiklander jens.wiklander@linaro.org 2019-11-07T10:42:59+00:00 5271b2011e448f1be7433554e4684e91951476fa The ctx element in struct tee_shm is always valid. So remove the now redundant teedev element. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
The ctx element in struct tee_shm is always valid. So remove the now
redundant teedev element.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
tee: remove unused tee_shm_priv_alloc() 2020-02-28T12:37:42+00:00 Jens Wiklander jens.wiklander@linaro.org 2019-11-07T10:42:52+00:00 c180f9bbe29a403459dd76422f435382aec6adaa tee_shm_priv_alloc() isn't useful in the current state and it's also not not used so remove it. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
tee_shm_priv_alloc() isn't useful in the current state and it's also not
not used so remove it.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
tee: remove linked list of struct tee_shm 2020-02-28T12:37:42+00:00 Jens Wiklander jens.wiklander@linaro.org 2019-11-07T10:42:49+00:00 59a135f6fb669f4f79f43160c7b8c8d6bfb37f75 Removes list_shm from struct tee_context since the linked list isn't used any longer. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
Removes list_shm from struct tee_context since the linked list isn't used
any longer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05T15:36:37+00:00 Thomas Gleixner tglx@linutronix.de 2019-05-29T14:17:56+00:00 9c92ab61914157664a2fbdf926df0eb937838e45 Based on 1 normalized pattern(s): this software is licensed under the terms of the gnu general public license version 2 as published by the free software foundation and may be copied distributed and modified under those terms this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Based on 1 normalized pattern(s):

  this software is licensed under the terms of the gnu general public
  license version 2 as published by the free software foundation and
  may be copied distributed and modified under those terms this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 285 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tee: add cancellation support to client interface 2019-02-28T12:49:29+00:00 Igor Opaniuk igor.opaniuk@linaro.org 2019-01-24T17:32:31+00:00 4f062dc1b759299851939524ff755b20542d8fc1 Add support of cancellation request to the TEE kernel internal client interface. Can be used by software TPM drivers, that leverage TEE under the hood (for instance TPM2.0 mobile profile), for requesting cancellation of time-consuming operations (RSA key-pair generation etc.). Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> 
Add support of cancellation request to the TEE kernel internal
client interface. Can be used by software TPM drivers, that leverage
TEE under the hood (for instance TPM2.0 mobile profile), for requesting
cancellation of time-consuming operations (RSA key-pair generation etc.).

Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>