2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
3 * yportenv.h: Portable services used by yaffs. This is done to allow
4 * simple migration from kernel space into app space for testing.
6 * Copyright (C) 2002 Aleph One Ltd.
7 * for Toby Churchill Ltd and Brightstar Engineering
9 * Created by Charles Manning <charles@aleph1.co.uk>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License version 2.1 as
13 * published by the Free Software Foundation.
16 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
18 * $Id: yportenv.h,v 1.5 2004-12-17 04:39:04 charles Exp $
22 #ifndef __YPORTENV_H__
23 #define __YPORTENV_H__
26 #if defined CONFIG_YAFFS_WINCE
28 #include "ywinceenv.h"
30 #elif defined __KERNEL__
35 #include "linux/kernel.h"
36 #include "linux/version.h"
38 #include "linux/string.h"
39 #include "linux/slab.h"
42 #define YUCHAR unsigned char
44 #define yaffs_strcpy(a,b) strcpy(a,b)
45 #define yaffs_strncpy(a,b,c) strncpy(a,b,c)
46 #define yaffs_strlen(s) strlen(s)
47 #define yaffs_sprintf sprintf
48 #define yaffs_toupper(a) toupper(a)
50 #define Y_INLINE inline
52 #define YAFFS_LOSTNFOUND_NAME "lost+found"
53 #define YAFFS_LOSTNFOUND_PREFIX "obj"
55 //#define YPRINTF(x) printk x
56 #define YMALLOC(x) kmalloc(x,GFP_KERNEL)
57 #define YFREE(x) kfree(x)
59 #define YAFFS_ROOT_MODE 0666
60 #define YAFFS_LOSTNFOUND_MODE 0666
62 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
63 #define Y_CURRENT_TIME CURRENT_TIME.tv_sec
64 #define Y_TIME_CONVERT(x) (x).tv_sec
66 #define Y_CURRENT_TIME CURRENT_TIME
67 #define Y_TIME_CONVERT(x) (x)
70 #define yaffs_SumCompare(x,y) ((x) == (y))
71 #define yaffs_strcmp(a,b) strcmp(a,b)
74 #define TSTR(x) KERN_WARNING x
75 #define TOUT(p) printk p
78 #elif defined CONFIG_YAFFS_DIRECT
81 #include "ydirectenv.h"
83 #elif defined CONFIG_YAFFS_UTIL
85 // Stuff for YAFFS utilities
91 #include "devextras.h"
93 #define YMALLOC(x) malloc(x)
94 #define YFREE(x) free(x)
98 #define YUCHAR unsigned char
100 #define yaffs_strcpy(a,b) strcpy(a,b)
101 #define yaffs_strncpy(a,b,c) strncpy(a,b,c)
102 #define yaffs_strlen(s) strlen(s)
103 #define yaffs_sprintf sprintf
104 #define yaffs_toupper(a) toupper(a)
106 #define Y_INLINE inline
108 //#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
109 //#define YALERT(s) YINFO(s)
114 #define TOUT(p) printf p
117 #define YAFFS_LOSTNFOUND_NAME "lost+found"
118 #define YAFFS_LOSTNFOUND_PREFIX "obj"
119 //#define YPRINTF(x) printf x
122 #define YAFFS_ROOT_MODE 0666
123 #define YAFFS_LOSTNFOUND_MODE 0666
125 #define yaffs_SumCompare(x,y) ((x) == (y))
126 #define yaffs_strcmp(a,b) strcmp(a,b)
129 // Should have specified a configuration type
130 #error Unknown configuration
135 extern unsigned yaffs_traceMask;
137 #define YAFFS_TRACE_ERROR 0x00000001
138 #define YAFFS_TRACE_OS 0x00000002
139 #define YAFFS_TRACE_ALLOCATE 0x00000004
140 #define YAFFS_TRACE_SCAN 0x00000008
141 #define YAFFS_TRACE_BAD_BLOCKS 0x00000010
142 #define YAFFS_TRACE_ERASE 0x00000020
143 #define YAFFS_TRACE_GC 0x00000040
144 #define YAFFS_TRACE_WRITE 0x00000080
145 #define YAFFS_TRACE_TRACING 0x00000100
146 #define YAFFS_TRACE_DELETION 0x00000200
147 #define YAFFS_TRACE_BUFFERS 0x00000400
148 #define YAFFS_TRACE_NANDACCESS 0x00000800
149 #define YAFFS_TRACE_GC_DETAIL 0x00001000
150 #define YAFFS_TRACE_SCAN_DEBUG 0x00002000
151 #define YAFFS_TRACE_MTD 0x00004000
152 #define YAFFS_TRACE_ALWAYS 0x40000000
153 #define YAFFS_TRACE_BUG 0x80000000
155 #define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0)
158 #ifndef CONFIG_YAFFS_WINCE
159 #define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))