cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

collate.h (934B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * collate.h - Defines for NTFS kernel collation handling.  Part of the
      4 *	       Linux-NTFS project.
      5 *
      6 * Copyright (c) 2004 Anton Altaparmakov
      7 */
      8
      9#ifndef _LINUX_NTFS_COLLATE_H
     10#define _LINUX_NTFS_COLLATE_H
     11
     12#include "types.h"
     13#include "volume.h"
     14
     15static inline bool ntfs_is_collation_rule_supported(COLLATION_RULE cr) {
     16	int i;
     17
     18	/*
     19	 * FIXME:  At the moment we only support COLLATION_BINARY and
     20	 * COLLATION_NTOFS_ULONG, so we return false for everything else for
     21	 * now.
     22	 */
     23	if (unlikely(cr != COLLATION_BINARY && cr != COLLATION_NTOFS_ULONG))
     24		return false;
     25	i = le32_to_cpu(cr);
     26	if (likely(((i >= 0) && (i <= 0x02)) ||
     27			((i >= 0x10) && (i <= 0x13))))
     28		return true;
     29	return false;
     30}
     31
     32extern int ntfs_collate(ntfs_volume *vol, COLLATION_RULE cr,
     33		const void *data1, const int data1_len,
     34		const void *data2, const int data2_len);
     35
     36#endif /* _LINUX_NTFS_COLLATE_H */