1/*
2 * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com)
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup lwext4
30 * @{
31 */
32/**
33 * @file ext4_config.h
34 * @brief Configuration file.
35 */
36
37#ifndef EXT4_CONFIG_H_
38#define EXT4_CONFIG_H_
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44#if !CONFIG_USE_DEFAULT_CFG
45#include "generated/ext4_config.h"
46#endif
47
48/*****************************************************************************/
49
50#define F_SET_EXT2 2
51#define F_SET_EXT3 3
52#define F_SET_EXT4 4
53
54#ifndef CONFIG_EXT_FEATURE_SET_LVL
55#define CONFIG_EXT_FEATURE_SET_LVL F_SET_EXT4
56#endif
57
58/*****************************************************************************/
59
60#if CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT2
61/*Superblock features flag EXT2*/
62#define CONFIG_SUPPORTED_FCOM EXT2_SUPPORTED_FCOM
63#define CONFIG_SUPPORTED_FINCOM (EXT2_SUPPORTED_FINCOM | EXT_FINCOM_IGNORED)
64#define CONFIG_SUPPORTED_FRO_COM EXT2_SUPPORTED_FRO_COM
65
66#elif CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT3
67/*Superblock features flag EXT3*/
68#define CONFIG_SUPPORTED_FCOM EXT3_SUPPORTED_FCOM
69#define CONFIG_SUPPORTED_FINCOM (EXT3_SUPPORTED_FINCOM | EXT_FINCOM_IGNORED)
70#define CONFIG_SUPPORTED_FRO_COM EXT3_SUPPORTED_FRO_COM
71#elif CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT4
72/*Superblock features flag EXT4*/
73#define CONFIG_SUPPORTED_FCOM EXT4_SUPPORTED_FCOM
74#define CONFIG_SUPPORTED_FINCOM (EXT4_SUPPORTED_FINCOM | EXT_FINCOM_IGNORED)
75#define CONFIG_SUPPORTED_FRO_COM EXT4_SUPPORTED_FRO_COM
76#else
77#define "Unsupported CONFIG_EXT_FEATURE_SET_LVL"
78#endif
79
80#define CONFIG_DIR_INDEX_ENABLE (CONFIG_SUPPORTED_FCOM & EXT4_FCOM_DIR_INDEX)
81#define CONFIG_EXTENT_ENABLE (CONFIG_SUPPORTED_FINCOM & EXT4_FINCOM_EXTENTS)
82#define CONFIG_META_CSUM_ENABLE (CONFIG_SUPPORTED_FRO_COM & EXT4_FRO_COM_METADATA_CSUM)
83
84/*****************************************************************************/
85
86/**@brief Enable/disable journaling*/
87#ifndef CONFIG_JOURNALING_ENABLE
88#define CONFIG_JOURNALING_ENABLE 1
89#endif
90
91/**@brief Enable/disable xattr*/
92#ifndef CONFIG_XATTR_ENABLE
93#define CONFIG_XATTR_ENABLE 1
94#endif
95
96/**@brief Enable/disable extents*/
97#ifndef CONFIG_EXTENTS_ENABLE
98#define CONFIG_EXTENTS_ENABLE 1
99#endif
100
101/**@brief Include error codes from ext4_errno or standard library.*/
102#ifndef CONFIG_HAVE_OWN_ERRNO
103#define CONFIG_HAVE_OWN_ERRNO 0
104#endif
105
106/**@brief Debug printf enable (stdout)*/
107#ifndef CONFIG_DEBUG_PRINTF
108#define CONFIG_DEBUG_PRINTF 1
109#endif
110
111/**@brief Assert printf enable (stdout)*/
112#ifndef CONFIG_DEBUG_ASSERT
113#define CONFIG_DEBUG_ASSERT 1
114#endif
115
116/**@brief Include assert codes from ext4_debug or standard library.*/
117#ifndef CONFIG_HAVE_OWN_ASSERT
118#define CONFIG_HAVE_OWN_ASSERT 1
119#endif
120
121/**@brief Statistics of block device*/
122#ifndef CONFIG_BLOCK_DEV_ENABLE_STATS
123#define CONFIG_BLOCK_DEV_ENABLE_STATS 1
124#endif
125
126/**@brief Cache size of block device.*/
127#ifndef CONFIG_BLOCK_DEV_CACHE_SIZE
128#define CONFIG_BLOCK_DEV_CACHE_SIZE 8
129#endif
130
131
132/**@brief Maximum block device name*/
133#ifndef CONFIG_EXT4_MAX_BLOCKDEV_NAME
134#define CONFIG_EXT4_MAX_BLOCKDEV_NAME 32
135#endif
136
137
138/**@brief Maximum block device count*/
139#ifndef CONFIG_EXT4_BLOCKDEVS_COUNT
140#define CONFIG_EXT4_BLOCKDEVS_COUNT 2
141#endif
142
143/**@brief Maximum mountpoint name*/
144#ifndef CONFIG_EXT4_MAX_MP_NAME
145#define CONFIG_EXT4_MAX_MP_NAME 32
146#endif
147
148/**@brief Maximum mountpoint count*/
149#ifndef CONFIG_EXT4_MOUNTPOINTS_COUNT
150#define CONFIG_EXT4_MOUNTPOINTS_COUNT 2
151#endif
152
153/**@brief Include open flags from ext4_errno or standard library.*/
154#ifndef CONFIG_HAVE_OWN_OFLAGS
155#define CONFIG_HAVE_OWN_OFLAGS 1
156#endif
157
158/**@brief Maximum single truncate size. Transactions must be limited to reduce
159 * number of allocetions for single transaction*/
160#ifndef CONFIG_MAX_TRUNCATE_SIZE
161#define CONFIG_MAX_TRUNCATE_SIZE (16ul * 1024ul * 1024ul)
162#endif
163
164
165/**@brief Unaligned access switch on/off*/
166#ifndef CONFIG_UNALIGNED_ACCESS
167#define CONFIG_UNALIGNED_ACCESS 0
168#endif
169
170/**@brief Switches use of malloc/free functions family
171 * from standard library to user provided*/
172#ifndef CONFIG_USE_USER_MALLOC
173#define CONFIG_USE_USER_MALLOC 0
174#endif
175
176#ifdef __cplusplus
177}
178#endif
179
180#endif /* EXT4_CONFIG_H_ */
181
182/**
183 * @}
184 */
185