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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dabtree.h (1259B)


      1// SPDX-License-Identifier: GPL-2.0+
      2/*
      3 * Copyright (C) 2017 Oracle.  All Rights Reserved.
      4 * Author: Darrick J. Wong <darrick.wong@oracle.com>
      5 */
      6#ifndef __XFS_SCRUB_DABTREE_H__
      7#define __XFS_SCRUB_DABTREE_H__
      8
      9/* dir/attr btree */
     10
     11struct xchk_da_btree {
     12	struct xfs_da_args	dargs;
     13	xfs_dahash_t		hashes[XFS_DA_NODE_MAXDEPTH];
     14	int			maxrecs[XFS_DA_NODE_MAXDEPTH];
     15	struct xfs_da_state	*state;
     16	struct xfs_scrub	*sc;
     17	void			*private;
     18
     19	/*
     20	 * Lowest and highest directory block address in which we expect
     21	 * to find dir/attr btree node blocks.  For a directory this
     22	 * (presumably) means between LEAF_OFFSET and FREE_OFFSET; for
     23	 * attributes there is no limit.
     24	 */
     25	xfs_dablk_t		lowest;
     26	xfs_dablk_t		highest;
     27
     28	int			tree_level;
     29};
     30
     31typedef int (*xchk_da_btree_rec_fn)(struct xchk_da_btree *ds, int level);
     32
     33/* Check for da btree operation errors. */
     34bool xchk_da_process_error(struct xchk_da_btree *ds, int level, int *error);
     35
     36/* Check for da btree corruption. */
     37void xchk_da_set_corrupt(struct xchk_da_btree *ds, int level);
     38
     39int xchk_da_btree_hash(struct xchk_da_btree *ds, int level, __be32 *hashp);
     40int xchk_da_btree(struct xfs_scrub *sc, int whichfork,
     41		xchk_da_btree_rec_fn scrub_fn, void *private);
     42
     43#endif /* __XFS_SCRUB_DABTREE_H__ */