2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2007 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
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.
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
17 #ifndef __YPORTENV_H__
18 #define __YPORTENV_H__
20 #if defined CONFIG_YAFFS_WINCE
22 #include "ywinceenv.h"
24 #elif defined __KERNEL__
26 #include "moduleconfig.h"
29 #include <linux/version.h>
30 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
31 #include <linux/config.h>
33 #include <linux/kernel.h>
35 #include <linux/string.h>
36 #include <linux/slab.h>
37 #include <linux/vmalloc.h>
40 #define YUCHAR unsigned char
42 #define yaffs_strcpy(a,b) strcpy(a,b)
43 #define yaffs_strncpy(a,b,c) strncpy(a,b,c)
44 #define yaffs_strncmp(a,b,c) strncmp(a,b,c)
45 #define yaffs_strlen(s) strlen(s)
46 #define yaffs_sprintf sprintf
47 #define yaffs_toupper(a) toupper(a)
49 #define Y_INLINE inline
51 #define YAFFS_LOSTNFOUND_NAME "lost+found"
52 #define YAFFS_LOSTNFOUND_PREFIX "obj"
54 /* #define YPRINTF(x) printk x */
55 #define YMALLOC(x) kmalloc(x,GFP_KERNEL)
56 #define YFREE(x) kfree(x)
57 #define YMALLOC_ALT(x) vmalloc(x)
58 #define YFREE_ALT(x) vfree(x)
59 #define YMALLOC_DMA(x) YMALLOC(x)
61 // KR - added for use in scan so processes aren't blocked indefinitely.
62 #define YYIELD() schedule()
64 #define YAFFS_ROOT_MODE 0666
65 #define YAFFS_LOSTNFOUND_MODE 0666
67 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
68 #define Y_CURRENT_TIME CURRENT_TIME.tv_sec
69 #define Y_TIME_CONVERT(x) (x).tv_sec
71 #define Y_CURRENT_TIME CURRENT_TIME
72 #define Y_TIME_CONVERT(x) (x)
75 #define yaffs_SumCompare(x,y) ((x) == (y))
76 #define yaffs_strcmp(a,b) strcmp(a,b)
79 #define TSTR(x) KERN_WARNING x
80 #define TOUT(p) printk p
82 #elif defined CONFIG_YAFFS_DIRECT
84 /* Direct interface */
85 #include "ydirectenv.h"
87 #elif defined CONFIG_YAFFS_UTIL
89 /* Stuff for YAFFS utilities */
95 #include "devextras.h"
97 #define YMALLOC(x) malloc(x)
98 #define YFREE(x) free(x)
99 #define YMALLOC_ALT(x) malloc(x)
100 #define YFREE_ALT(x) free(x)
103 #define YUCHAR unsigned char
105 #define yaffs_strcpy(a,b) strcpy(a,b)
106 #define yaffs_strncpy(a,b,c) strncpy(a,b,c)
107 #define yaffs_strlen(s) strlen(s)
108 #define yaffs_sprintf sprintf
109 #define yaffs_toupper(a) toupper(a)
111 #define Y_INLINE inline
113 /* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
114 /* #define YALERT(s) YINFO(s) */
118 #define TOUT(p) printf p
120 #define YAFFS_LOSTNFOUND_NAME "lost+found"
121 #define YAFFS_LOSTNFOUND_PREFIX "obj"
122 /* #define YPRINTF(x) printf x */
124 #define YAFFS_ROOT_MODE 0666
125 #define YAFFS_LOSTNFOUND_MODE 0666
127 #define yaffs_SumCompare(x,y) ((x) == (y))
128 #define yaffs_strcmp(a,b) strcmp(a,b)
131 /* Should have specified a configuration type */
132 #error Unknown configuration
136 extern unsigned yaffs_traceMask;
140 * The flags masked in YAFFS_TRACE_ALWAYS are always traced.
143 #define YAFFS_TRACE_OS 0x00000002
144 #define YAFFS_TRACE_ALLOCATE 0x00000004
145 #define YAFFS_TRACE_SCAN 0x00000008
146 #define YAFFS_TRACE_BAD_BLOCKS 0x00000010
147 #define YAFFS_TRACE_ERASE 0x00000020
148 #define YAFFS_TRACE_GC 0x00000040
149 #define YAFFS_TRACE_WRITE 0x00000080
150 #define YAFFS_TRACE_TRACING 0x00000100
151 #define YAFFS_TRACE_DELETION 0x00000200
152 #define YAFFS_TRACE_BUFFERS 0x00000400
153 #define YAFFS_TRACE_NANDACCESS 0x00000800
154 #define YAFFS_TRACE_GC_DETAIL 0x00001000
155 #define YAFFS_TRACE_SCAN_DEBUG 0x00002000
156 #define YAFFS_TRACE_MTD 0x00004000
157 #define YAFFS_TRACE_CHECKPOINT 0x00008000
159 #define YAFFS_TRACE_VERIFY 0x00010000
160 #define YAFFS_TRACE_VERIFY_NAND 0x00020000
161 #define YAFFS_TRACE_VERIFY_FULL 0x00040000
162 #define YAFFS_TRACE_VERIFY_ALL 0x000F0000
165 #define YAFFS_TRACE_ERROR 0x40000000
166 #define YAFFS_TRACE_BUG 0x80000000
167 #define YAFFS_TRACE_ALWAYS 0xF0000000
170 #define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
172 #ifndef CONFIG_YAFFS_WINCE
173 #define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))