100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only 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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#ifndef _FSCRYPT_ICE_H
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#define _FSCRYPT_ICE_H
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#include <linux/blkdev.h>
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#include "fscrypt_private.h"
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#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
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static inline bool fscrypt_should_be_processed_by_ice(const struct inode *inode)
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{
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if (!inode->i_sb->s_cop)
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return 0;
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if (!IS_ENCRYPTED((struct inode *)inode))
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return 0;
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return fscrypt_using_hardware_encryption(inode);
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}
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static inline int fscrypt_is_ice_capable(const struct super_block *sb)
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{
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return blk_queue_inlinecrypt(bdev_get_queue(sb->s_bdev));
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}
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int fscrypt_is_aes_xts_cipher(const struct inode *inode);
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char *fscrypt_get_ice_encryption_key(const struct inode *inode);
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char *fscrypt_get_ice_encryption_salt(const struct inode *inode);
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bool fscrypt_is_ice_encryption_info_equal(const struct inode *inode1,
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const struct inode *inode2);
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size_t fscrypt_get_ice_encryption_key_size(const struct inode *inode);
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size_t fscrypt_get_ice_encryption_salt_size(const struct inode *inode);
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#else
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static inline bool fscrypt_should_be_processed_by_ice(const struct inode *inode)
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{
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return 0;
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}
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static inline int fscrypt_is_ice_capable(const struct super_block *sb)
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{
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return 0;
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}
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static inline char *fscrypt_get_ice_encryption_key(const struct inode *inode)
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{
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return NULL;
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}
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static inline char *fscrypt_get_ice_encryption_salt(const struct inode *inode)
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{
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return NULL;
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}
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static inline size_t fscrypt_get_ice_encryption_key_size(
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const struct inode *inode)
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{
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return 0;
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}
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static inline size_t fscrypt_get_ice_encryption_salt_size(
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const struct inode *inode)
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{
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return 0;
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}
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static inline int fscrypt_is_xts_cipher(const struct inode *inode)
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{
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return 0;
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}
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static inline bool fscrypt_is_ice_encryption_info_equal(
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const struct inode *inode1,
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const struct inode *inode2)
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{
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return 0;
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}
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static inline int fscrypt_is_aes_xts_cipher(const struct inode *inode)
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{
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return 0;
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}
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#endif
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#endif /* _FSCRYPT_ICE_H */
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