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OP-TEE driver 

- dual license for optee_msg.h and optee_smc.h
 Generic
 - add cancellation support to client interface
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Merge tag 'tee-misc-for-v5.1' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers

OP-TEE driver
- dual license for optee_msg.h and optee_smc.h
Generic
- add cancellation support to client interface

* tag 'tee-misc-for-v5.1' of https://git.linaro.org/people/jens.wiklander/linux-tee:
  tee: optee: update optee_msg.h and optee_smc.h to dual license
  tee: add cancellation support to client interface

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-03-01 15:00:40 +01:00
parent 4f640201a8 32356d309c
commit 3473b71e21
4 changed files with 25 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/tee/optee/optee_msg.h
View File

@ -1,28 +1,6 @@
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
/*
* Copyright (c) 2015-2016, Linaro Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* Copyright (c) 2015-2019, Linaro Limited
*/
#ifndef _OPTEE_MSG_H
#define _OPTEE_MSG_H

26
drivers/tee/optee/optee_smc.h
View File

@ -1,28 +1,6 @@
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
/*
* Copyright (c) 2015-2016, Linaro Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* Copyright (c) 2015-2019, Linaro Limited
*/
#ifndef OPTEE_SMC_H
#define OPTEE_SMC_H

9
drivers/tee/tee_core.c
View File

@ -1041,6 +1041,15 @@ int tee_client_invoke_func(struct tee_context *ctx,
}
EXPORT_SYMBOL_GPL(tee_client_invoke_func);
int tee_client_cancel_req(struct tee_context *ctx,
struct tee_ioctl_cancel_arg *arg)
{
if (!ctx->teedev->desc->ops->cancel_req)
return -EINVAL;
return ctx->teedev->desc->ops->cancel_req(ctx, arg->cancel_id,
arg->session);
}
static int tee_client_device_match(struct device *dev,
struct device_driver *drv)
{

12
include/linux/tee_drv.h
View File

@ -535,6 +535,18 @@ int tee_client_invoke_func(struct tee_context *ctx,
struct tee_ioctl_invoke_arg *arg,
struct tee_param *param);
/**
* tee_client_cancel_req() - Request cancellation of the previous open-session
* or invoke-command operations in a Trusted Application
* @ctx: TEE Context
* @arg: Cancellation arguments, see description of
* struct tee_ioctl_cancel_arg
*
* Returns < 0 on error else 0 if the cancellation was successfully requested.
*/
int tee_client_cancel_req(struct tee_context *ctx,
struct tee_ioctl_cancel_arg *arg);
static inline bool tee_param_is_memref(struct tee_param *param)
{
switch (param->attr & TEE_IOCTL_PARAM_ATTR_TYPE_MASK) {