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https://github.com/openharmony/drivers_adapter_khdf_linux.git
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zhang
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* osal_uaccess.h
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*
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* osal driver
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*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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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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*/
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#ifndef OSAL_UACCESS_DEF_H
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#define OSAL_UACCESS_DEF_H
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#include <linux/kernel.h>
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#include <linux/uaccess.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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static inline size_t CopyToUser(void __user *to, const void *from, size_t len)
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{
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return (size_t)copy_to_user(to, from, (unsigned long)len);
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}
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static inline size_t CopyFromUser(void *to, const void __user *from, size_t len)
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{
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return (size_t)copy_from_user(to, from, (unsigned long)len);
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}
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* OSAL_UACCESS_DEF_H */
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