cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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omfs.h (2131B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _OMFS_H
      3#define _OMFS_H
      4
      5#include <linux/module.h>
      6#include <linux/fs.h>
      7
      8#include "omfs_fs.h"
      9
     10/* In-memory structures */
     11struct omfs_sb_info {
     12	u64 s_num_blocks;
     13	u64 s_bitmap_ino;
     14	u64 s_root_ino;
     15	u32 s_blocksize;
     16	u32 s_mirrors;
     17	u32 s_sys_blocksize;
     18	u32 s_clustersize;
     19	int s_block_shift;
     20	unsigned long **s_imap;
     21	int s_imap_size;
     22	struct mutex s_bitmap_lock;
     23	kuid_t s_uid;
     24	kgid_t s_gid;
     25	int s_dmask;
     26	int s_fmask;
     27};
     28
     29/* convert a cluster number to a scaled block number */
     30static inline sector_t clus_to_blk(struct omfs_sb_info *sbi, sector_t block)
     31{
     32	return block << sbi->s_block_shift;
     33}
     34
     35static inline struct omfs_sb_info *OMFS_SB(struct super_block *sb)
     36{
     37	return sb->s_fs_info;
     38}
     39
     40/* bitmap.c */
     41extern unsigned long omfs_count_free(struct super_block *sb);
     42extern int omfs_allocate_block(struct super_block *sb, u64 block);
     43extern int omfs_allocate_range(struct super_block *sb, int min_request,
     44			int max_request, u64 *return_block, int *return_size);
     45extern int omfs_clear_range(struct super_block *sb, u64 block, int count);
     46
     47/* dir.c */
     48extern const struct file_operations omfs_dir_operations;
     49extern const struct inode_operations omfs_dir_inops;
     50extern int omfs_make_empty(struct inode *inode, struct super_block *sb);
     51extern int omfs_is_bad(struct omfs_sb_info *sbi, struct omfs_header *header,
     52			u64 fsblock);
     53
     54/* file.c */
     55extern const struct file_operations omfs_file_operations;
     56extern const struct inode_operations omfs_file_inops;
     57extern const struct address_space_operations omfs_aops;
     58extern void omfs_make_empty_table(struct buffer_head *bh, int offset);
     59extern int omfs_shrink_inode(struct inode *inode);
     60
     61/* inode.c */
     62extern struct buffer_head *omfs_bread(struct super_block *sb, sector_t block);
     63extern struct inode *omfs_iget(struct super_block *sb, ino_t inode);
     64extern struct inode *omfs_new_inode(struct inode *dir, umode_t mode);
     65extern int omfs_reserve_block(struct super_block *sb, sector_t block);
     66extern int omfs_find_empty_block(struct super_block *sb, int mode, ino_t *ino);
     67extern int omfs_sync_inode(struct inode *inode);
     68
     69#endif