evie/android_kernel_oneplus_msm8998
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qseecom: add new SCM ID to register listener when smcinvoke is supported

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Add new SCM ID to register listener when smcinvoke is supported. Then
TZ, depending on how the listener has been registered, will either
behave in the old way (i.e. rsp[1]=QSEE_LISTENER_ID), or the new way
(rsp[1]=app_id) when smcinvoke is supported. And qseecom will first
to register listener with new SCM ID, if failed, then fallback to
use old ID.

Change-Id: Ia27055db6ec8f26705669ee913919b29461121ca
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
This commit is contained in:
Zhen Kong 2017-02-14 11:10:09 -08:00
parent 15632ada36
commit 3f3f20e347
2 changed files with 11 additions and 2 deletions
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8
drivers/misc/qseecom.c
View file

@ -562,7 +562,6 @@ static int qseecom_scm_call2(uint32_t svc_id, uint32_t tz_cmd_id,
case QSEOS_REGISTER_LISTENER: {
struct qseecom_register_listener_ireq *req;
struct qseecom_register_listener_64bit_ireq *req_64bit;
smc_id = TZ_OS_REGISTER_LISTENER_ID;
desc.arginfo =
TZ_OS_REGISTER_LISTENER_ID_PARAM_ID;
if (qseecom.qsee_version < QSEE_VERSION_40) {
@ -579,8 +578,15 @@ static int qseecom_scm_call2(uint32_t svc_id, uint32_t tz_cmd_id,
desc.args[1] = req_64bit->sb_ptr;
desc.args[2] = req_64bit->sb_len;
}
smc_id = TZ_OS_REGISTER_LISTENER_SMCINVOKE_ID;
__qseecom_reentrancy_check_if_no_app_blocked(smc_id);
ret = scm_call2(smc_id, &desc);
if (ret) {
smc_id = TZ_OS_REGISTER_LISTENER_ID;
__qseecom_reentrancy_check_if_no_app_blocked(
smc_id);
ret = scm_call2(smc_id, &desc);
}
break;
}
case QSEOS_DEREGISTER_LISTENER: {

5
include/soc/qcom/qseecomi.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -511,6 +511,9 @@ __packed struct qseecom_continue_blocked_request_ireq {
#define TZ_OS_REGISTER_LISTENER_ID \
TZ_SYSCALL_CREATE_SMC_ID(TZ_OWNER_QSEE_OS, TZ_SVC_LISTENER, 0x01)
#define TZ_OS_REGISTER_LISTENER_SMCINVOKE_ID \
TZ_SYSCALL_CREATE_SMC_ID(TZ_OWNER_QSEE_OS, TZ_SVC_LISTENER, 0x06)
#define TZ_OS_REGISTER_LISTENER_ID_PARAM_ID \
TZ_SYSCALL_CREATE_PARAM_ID_3( \
TZ_SYSCALL_PARAM_TYPE_VAL, TZ_SYSCALL_PARAM_TYPE_BUF_RW, \