threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* Copyright (c) 2015-2019, MICROTRUST Incorporated
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/slab.h>
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#include "teei_fp.h"
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#include "teei_client_transfer_data.h"
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#define IMSG_TAG "[tz_driver]"
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#include <imsg_log.h>
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#include <linux/vmalloc.h>
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static struct TEEC_Context context;
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static int context_initialized;
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struct TEEC_UUID uuid_fp = { 0x7778c03f, 0xc30c, 0x4dd0,
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{ 0xa3, 0x19, 0xea, 0x29, 0x64, 0x3d, 0x4d, 0x4b } };
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int send_fp_command(void *buffer, unsigned long size)
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{
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int ret = 0;
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IMSG_INFO("TEEI start %s\n", __func__);
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if (buffer == NULL || size < 1)
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return -1;
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if (context_initialized == 0) {
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memset(&context, 0, sizeof(context));
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ret = ut_pf_gp_initialize_context(&context);
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if (ret) {
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IMSG_ERROR("Failed to initialize fp context ,err: %x",
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ret);
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goto release_1;
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}
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context_initialized = 1;
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}
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ret = ut_pf_gp_transfer_user_data(&context, &uuid_fp, 1, buffer, size);
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if (ret) {
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IMSG_ERROR("Failed to transfer data,err: %x", ret);
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goto release_2;
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}
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release_2:
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if (ret) {
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ut_pf_gp_finalize_context(&context);
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context_initialized = 0;
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}
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release_1:
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IMSG_INFO("TEEI end of %s\n", __func__);
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return ret;
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}
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