ee7bdc62fd
This is a snapshot of the crypto drivers as of msm-4.14 commit 367c46b1 (Enable hardware based FBE on f2fs and adapt ext4 fs). Change-Id: Ifb52ed101d6e971c5823037f7895049b830c78c5 Signed-off-by: Zhen Kong <zkong@codeaurora.org>
100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
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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 false;
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if (!inode->i_sb->s_cop->is_encrypted((struct inode *)inode))
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return false;
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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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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 FS_AES_256_XTS_KEY_SIZE / 2;
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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 FS_AES_256_XTS_KEY_SIZE / 2;
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}
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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 false;
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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 false;
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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 false;
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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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