97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/* Copyright (c) 2014, 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 PFT_H_
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#define PFT_H_
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#include <linux/types.h>
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#include <linux/fs.h>
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#include <linux/bio.h>
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#ifdef CONFIG_PFT
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/* dm-req-crypt API */
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int pft_get_key_index(struct bio *bio, u32 *key_index,
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bool *is_encrypted, bool *is_inplace);
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/* block layer API */
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bool pft_allow_merge_bio(struct bio *bio1, struct bio *bio2);
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/* --- security hooks , called from selinux --- */
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int pft_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
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int pft_inode_post_create(struct inode *dir, struct dentry *dentry,
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umode_t mode);
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int pft_file_open(struct file *filp, const struct cred *cred);
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int pft_file_permission(struct file *file, int mask);
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int pft_file_close(struct file *filp);
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int pft_inode_unlink(struct inode *dir, struct dentry *dentry);
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int pft_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
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dev_t dev);
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int pft_inode_rename(struct inode *inode, struct dentry *dentry,
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struct inode *new_inode, struct dentry *new_dentry);
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int pft_inode_set_xattr(struct dentry *dentry, const char *name,
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const void *value, size_t size, int flags);
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#else
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static inline int pft_get_key_index(struct bio *bio, u32 *key_index,
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bool *is_encrypted, bool *is_inplace)
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{ return -ENODEV; }
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static inline bool pft_allow_merge_bio(struct bio *bio1, struct bio *bio2)
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{ return true; }
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static inline int pft_file_permission(struct file *file, int mask)
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{ return 0; }
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static inline int pft_inode_create(
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struct inode *dir, struct dentry *dentry, umode_t mode)
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{ return 0; }
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static inline int pft_inode_post_create(
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struct inode *dir, struct dentry *dentry, umode_t mode)
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{ return 0; }
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static inline int pft_file_open(struct file *filp, const struct cred *cred)
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{ return 0; }
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static inline int pft_file_close(struct file *filp)
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{ return 0; }
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static inline int pft_inode_unlink(struct inode *dir, struct dentry *dentry)
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{ return 0; }
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static inline int pft_inode_mknod(struct inode *dir, struct dentry *dentry,
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umode_t mode, dev_t dev)
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{ return 0; }
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static inline int pft_inode_rename(struct inode *inode, struct dentry *dentry,
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struct inode *new_inode, struct dentry *new_dentry)
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{ return 0; }
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static inline int pft_inode_set_xattr(struct dentry *dentry, const char *name,
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const void *value, size_t size,
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int flags)
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{ return 0; }
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#endif /* CONFIG_PFT */
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#endif /* PFT_H */
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