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William Juul0e8cc8b2007-11-15 11:13:05 +01001/*
Wolfgang Denk4b070802008-08-14 14:41:06 +02002 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
William Juul0e8cc8b2007-11-15 11:13:05 +01003 *
4 * Copyright (C) 2002-2007 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
6 *
7 * Created by Charles Manning <charles@aleph1.co.uk>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License version 2.1 as
11 * published by the Free Software Foundation.
12 *
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
14 */
15
16
17#ifndef __YPORTENV_H__
18#define __YPORTENV_H__
19
William Juul90ef1172007-11-15 12:23:57 +010020/* XXX U-BOOT XXX */
21#ifndef CONFIG_YAFFS_DIRECT
22#define CONFIG_YAFFS_DIRECT
23#endif
24
William Juul0e8cc8b2007-11-15 11:13:05 +010025#if defined CONFIG_YAFFS_WINCE
26
27#include "ywinceenv.h"
28
William Juul90ef1172007-11-15 12:23:57 +010029/* XXX U-BOOT XXX */
30#elif 0 /* defined __KERNEL__ */
William Juul0e8cc8b2007-11-15 11:13:05 +010031
32#include "moduleconfig.h"
33
34/* Linux kernel */
35#include <linux/version.h>
36#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
37#include <linux/config.h>
38#endif
39#include <linux/kernel.h>
40#include <linux/mm.h>
41#include <linux/sched.h>
42#include <linux/string.h>
43#include <linux/slab.h>
44#include <linux/vmalloc.h>
45
46#define YCHAR char
47#define YUCHAR unsigned char
48#define _Y(x) x
49#define yaffs_strcpy(a,b) strcpy(a,b)
50#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
51#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
52#define yaffs_strlen(s) strlen(s)
53#define yaffs_sprintf sprintf
54#define yaffs_toupper(a) toupper(a)
55
56#define Y_INLINE inline
57
58#define YAFFS_LOSTNFOUND_NAME "lost+found"
59#define YAFFS_LOSTNFOUND_PREFIX "obj"
60
61/* #define YPRINTF(x) printk x */
62#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
63#define YFREE(x) kfree(x)
64#define YMALLOC_ALT(x) vmalloc(x)
65#define YFREE_ALT(x) vfree(x)
66#define YMALLOC_DMA(x) YMALLOC(x)
67
68// KR - added for use in scan so processes aren't blocked indefinitely.
69#define YYIELD() schedule()
70
71#define YAFFS_ROOT_MODE 0666
72#define YAFFS_LOSTNFOUND_MODE 0666
73
74#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
75#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
76#define Y_TIME_CONVERT(x) (x).tv_sec
77#else
78#define Y_CURRENT_TIME CURRENT_TIME
79#define Y_TIME_CONVERT(x) (x)
80#endif
81
82#define yaffs_SumCompare(x,y) ((x) == (y))
83#define yaffs_strcmp(a,b) strcmp(a,b)
84
85#define TENDSTR "\n"
86#define TSTR(x) KERN_WARNING x
87#define TOUT(p) printk p
88
89#define yaffs_trace(mask, fmt, args...) \
90 do { if ((mask) & (yaffs_traceMask|YAFFS_TRACE_ERROR)) \
91 printk(KERN_WARNING "yaffs: " fmt, ## args); \
92 } while (0)
93
94#define compile_time_assertion(assertion) \
95 ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
96
97#elif defined CONFIG_YAFFS_DIRECT
98
99/* Direct interface */
100#include "ydirectenv.h"
101
102#elif defined CONFIG_YAFFS_UTIL
103
104/* Stuff for YAFFS utilities */
105
106#include "stdlib.h"
107#include "stdio.h"
108#include "string.h"
109
110#include "devextras.h"
111
112#define YMALLOC(x) malloc(x)
113#define YFREE(x) free(x)
114#define YMALLOC_ALT(x) malloc(x)
115#define YFREE_ALT(x) free(x)
116
117#define YCHAR char
118#define YUCHAR unsigned char
119#define _Y(x) x
120#define yaffs_strcpy(a,b) strcpy(a,b)
121#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
122#define yaffs_strlen(s) strlen(s)
123#define yaffs_sprintf sprintf
124#define yaffs_toupper(a) toupper(a)
125
126#define Y_INLINE inline
127
128/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
129/* #define YALERT(s) YINFO(s) */
130
131#define TENDSTR "\n"
132#define TSTR(x) x
133#define TOUT(p) printf p
134
135#define YAFFS_LOSTNFOUND_NAME "lost+found"
136#define YAFFS_LOSTNFOUND_PREFIX "obj"
137/* #define YPRINTF(x) printf x */
138
139#define YAFFS_ROOT_MODE 0666
140#define YAFFS_LOSTNFOUND_MODE 0666
141
142#define yaffs_SumCompare(x,y) ((x) == (y))
143#define yaffs_strcmp(a,b) strcmp(a,b)
144
145#else
146/* Should have specified a configuration type */
147#error Unknown configuration
148
149#endif
150
151/* see yaffs_fs.c */
152extern unsigned int yaffs_traceMask;
153extern unsigned int yaffs_wr_attempts;
154
155/*
156 * Tracing flags.
157 * The flags masked in YAFFS_TRACE_ALWAYS are always traced.
158 */
Wolfgang Denk4b070802008-08-14 14:41:06 +0200159
William Juul0e8cc8b2007-11-15 11:13:05 +0100160#define YAFFS_TRACE_OS 0x00000002
161#define YAFFS_TRACE_ALLOCATE 0x00000004
162#define YAFFS_TRACE_SCAN 0x00000008
163#define YAFFS_TRACE_BAD_BLOCKS 0x00000010
164#define YAFFS_TRACE_ERASE 0x00000020
165#define YAFFS_TRACE_GC 0x00000040
166#define YAFFS_TRACE_WRITE 0x00000080
167#define YAFFS_TRACE_TRACING 0x00000100
168#define YAFFS_TRACE_DELETION 0x00000200
169#define YAFFS_TRACE_BUFFERS 0x00000400
170#define YAFFS_TRACE_NANDACCESS 0x00000800
171#define YAFFS_TRACE_GC_DETAIL 0x00001000
172#define YAFFS_TRACE_SCAN_DEBUG 0x00002000
173#define YAFFS_TRACE_MTD 0x00004000
174#define YAFFS_TRACE_CHECKPOINT 0x00008000
175
176#define YAFFS_TRACE_VERIFY 0x00010000
177#define YAFFS_TRACE_VERIFY_NAND 0x00020000
178#define YAFFS_TRACE_VERIFY_FULL 0x00040000
179#define YAFFS_TRACE_VERIFY_ALL 0x000F0000
180
181
182#define YAFFS_TRACE_ERROR 0x40000000
183#define YAFFS_TRACE_BUG 0x80000000
184#define YAFFS_TRACE_ALWAYS 0xF0000000
185
186
187#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
188
189#ifndef CONFIG_YAFFS_WINCE
190#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
191#endif
192
193#endif