mirror of
https://github.com/openharmony/kernel_linux_common_modules.git
synced 2026-08-27 01:31:36 -04:00
suwanghw
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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* Copyright (C) 2022 Huawei Technologies Co., Ltd.
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* Decription: TEE Logging Subsystem, read the tee os log from rdr memory
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#ifndef TLOGGER_H
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#define TLOGGER_H
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#include <linux/types.h>
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#define OPEN_FILE_MODE 0640U
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#define ROOT_UID 0
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#define ROOT_GID 0
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#define SYSTEM_GID 1000
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#ifdef LAST_TEE_MSG_ROOT_GID
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#define FILE_CHOWN_GID 0
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#else
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/* system gid for last_teemsg file sys chown */
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#define FILE_CHOWN_GID 1000
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#endif
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#define UINT64_MAX (uint64_t)(~((uint64_t)0)) /* 0xFFFFFFFFFFFFFFFF */
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#ifdef CONFIG_TEELOG
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void tz_log_write(void);
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int tlogger_store_msg(const char *file_path, uint32_t file_path_len);
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int register_mem_to_teeos(uint64_t mem_addr, uint32_t mem_len, bool is_cache_mem);
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#ifdef CONFIG_TZDRIVER_MODULE
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int init_tlogger_service(void);
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void free_tlogger_service(void);
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int register_tloger_mem(void);
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#endif
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#else
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static inline void tz_log_write(void)
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{
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return;
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}
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static inline int tlogger_store_msg(const char *file_path, uint32_t file_path_len)
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{
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(void)file_path;
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(void)file_path_len;
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return 0;
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}
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static inline int register_mem_to_teeos(uint64_t mem_addr, uint32_t mem_len,
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bool is_cache_mem)
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{
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(void)mem_addr;
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(void)mem_len;
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return 0;
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}
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static inline int init_tlogger_service(void)
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{
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return 0;
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}
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static inline void free_tlogger_service(void)
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{
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}
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#endif
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#endif
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