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 1.7 2005-08-11 02:33:03 marty Exp $
22 #ifndef __YPORTENV_H__
23 #define __YPORTENV_H__
25 #if defined CONFIG_YAFFS_WINCE
27 #include "ywinceenv.h"
29 #elif defined __KERNEL__
32 #include <linux/config.h>
33 #include <linux/kernel.h>
34 #include <linux/version.h>
36 #include <linux/string.h>
37 #include <linux/slab.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_strlen(s) strlen(s)
45 #define yaffs_sprintf sprintf
46 #define yaffs_toupper(a) toupper(a)
48 #define Y_INLINE inline
50 #define YAFFS_LOSTNFOUND_NAME "lost+found"
51 #define YAFFS_LOSTNFOUND_PREFIX "obj"
53 /* #define YPRINTF(x) printk x */
54 #define YMALLOC(x) kmalloc(x,GFP_KERNEL)
55 #define YFREE(x) kfree(x)
57 #define YAFFS_ROOT_MODE 0666
58 #define YAFFS_LOSTNFOUND_MODE 0666
60 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
61 #define Y_CURRENT_TIME CURRENT_TIME.tv_sec
62 #define Y_TIME_CONVERT(x) (x).tv_sec
64 #define Y_CURRENT_TIME CURRENT_TIME
65 #define Y_TIME_CONVERT(x) (x)
68 #define yaffs_SumCompare(x,y) ((x) == (y))
69 #define yaffs_strcmp(a,b) strcmp(a,b)
72 #define TSTR(x) KERN_WARNING x
73 #define TOUT(p) printk p
75 #elif defined CONFIG_YAFFS_DIRECT
77 /* Direct interface */
78 #include "ydirectenv.h"
80 #elif defined CONFIG_YAFFS_UTIL
82 /* Stuff for YAFFS utilities */
88 #include "devextras.h"
90 #define YMALLOC(x) malloc(x)
91 #define YFREE(x) free(x)
94 #define YUCHAR unsigned char
96 #define yaffs_strcpy(a,b) strcpy(a,b)
97 #define yaffs_strncpy(a,b,c) strncpy(a,b,c)
98 #define yaffs_strlen(s) strlen(s)
99 #define yaffs_sprintf sprintf
100 #define yaffs_toupper(a) toupper(a)
102 #define Y_INLINE inline
104 /* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
105 /* #define YALERT(s) YINFO(s) */
109 #define TOUT(p) printf p
111 #define YAFFS_LOSTNFOUND_NAME "lost+found"
112 #define YAFFS_LOSTNFOUND_PREFIX "obj"
113 /* #define YPRINTF(x) printf x */
115 #define YAFFS_ROOT_MODE 0666
116 #define YAFFS_LOSTNFOUND_MODE 0666
118 #define yaffs_SumCompare(x,y) ((x) == (y))
119 #define yaffs_strcmp(a,b) strcmp(a,b)
122 /* Should have specified a configuration type */
123 #error Unknown configuration
127 extern unsigned yaffs_traceMask;
129 #define YAFFS_TRACE_ERROR 0x00000001
130 #define YAFFS_TRACE_OS 0x00000002
131 #define YAFFS_TRACE_ALLOCATE 0x00000004
132 #define YAFFS_TRACE_SCAN 0x00000008
133 #define YAFFS_TRACE_BAD_BLOCKS 0x00000010
134 #define YAFFS_TRACE_ERASE 0x00000020
135 #define YAFFS_TRACE_GC 0x00000040
136 #define YAFFS_TRACE_WRITE 0x00000080
137 #define YAFFS_TRACE_TRACING 0x00000100
138 #define YAFFS_TRACE_DELETION 0x00000200
139 #define YAFFS_TRACE_BUFFERS 0x00000400
140 #define YAFFS_TRACE_NANDACCESS 0x00000800
141 #define YAFFS_TRACE_GC_DETAIL 0x00001000
142 #define YAFFS_TRACE_SCAN_DEBUG 0x00002000
143 #define YAFFS_TRACE_MTD 0x00004000
144 #define YAFFS_TRACE_ALWAYS 0x40000000
145 #define YAFFS_TRACE_BUG 0x80000000
147 #define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0)
149 #ifndef CONFIG_YAFFS_WINCE
150 #define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))