source: mainline/uspace/srv/fs/exfat/exfat_fat.h

Last change on this file was b1834a01, checked in by Jakub Jermar <jakub@…>, 7 years ago

Categorize the remaining orphan doxygroups

  • Property mode set to 100644
File size: 3.3 KB
Line 
1/*
2 * Copyright (c) 2008 Jakub Jermar
3 * Copyright (c) 2011 Oleg Romanenko
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/** @addtogroup exfat
31 * @{
32 */
33
34#ifndef EXFAT_FAT_FAT_H_
35#define EXFAT_FAT_FAT_H_
36
37#include "../../vfs/vfs.h"
38#include <stdint.h>
39#include <block.h>
40
41#define EXFAT_ROOT_IDX 0
42#define EXFAT_BITMAP_IDX 1
43#define EXFAT_UCTABLE_IDX 2
44
45#define EXFAT_ROOT_PAR 0
46#define EXFAT_ROOT_POS 0
47
48#define EXFAT_CLST_FIRST 0x00000002
49#define EXFAT_CLST_LAST 0xfffffff6
50#define EXFAT_CLST_BAD 0xfffffff7
51#define EXFAT_CLST_EOF 0xffffffff
52
53/* forward declarations */
54struct block;
55struct exfat_node;
56struct exfat_bs;
57
58typedef uint32_t exfat_cluster_t;
59
60#define exfat_clusters_get(numc, bs, sid, fc) \
61 exfat_cluster_walk((bs), (sid), (fc), NULL, (numc), (uint32_t) -1)
62
63extern errno_t exfat_cluster_walk(struct exfat_bs *, service_id_t,
64 exfat_cluster_t, exfat_cluster_t *, uint32_t *, uint32_t);
65extern errno_t exfat_block_get(block_t **, struct exfat_bs *, struct exfat_node *,
66 aoff64_t, int);
67extern errno_t exfat_block_get_by_clst(block_t **, struct exfat_bs *, service_id_t,
68 bool, exfat_cluster_t, exfat_cluster_t *, aoff64_t, int);
69
70extern errno_t exfat_get_cluster(struct exfat_bs *, service_id_t, exfat_cluster_t,
71 exfat_cluster_t *);
72extern errno_t exfat_set_cluster(struct exfat_bs *, service_id_t, exfat_cluster_t,
73 exfat_cluster_t);
74extern errno_t exfat_sanity_check(struct exfat_bs *);
75
76extern errno_t exfat_append_clusters(struct exfat_bs *, struct exfat_node *,
77 exfat_cluster_t, exfat_cluster_t);
78extern errno_t exfat_chop_clusters(struct exfat_bs *, struct exfat_node *,
79 exfat_cluster_t);
80extern errno_t exfat_alloc_clusters(struct exfat_bs *, service_id_t, unsigned,
81 exfat_cluster_t *, exfat_cluster_t *);
82extern errno_t exfat_free_clusters(struct exfat_bs *, service_id_t, exfat_cluster_t);
83extern errno_t exfat_zero_cluster(struct exfat_bs *, service_id_t, exfat_cluster_t);
84
85extern errno_t exfat_read_uctable(struct exfat_bs *, struct exfat_node *,
86 uint8_t *);
87
88#endif
89
90/**
91 * @}
92 */
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