Mercurial > yaffs-ecoscentric
annotate packages/fs/yaffs/current/src/yportenv.h @ 298:07c18ca96388
Move upstream sources to packages/fs/yaffs/current/src/
| author | Ross Younger <wry@ecoscentric.com> |
|---|---|
| date | Tue, 03 Nov 2009 15:21:23 +0000 |
| parents | yportenv.h@c8620405d086 |
| children | 9c8ff034abb0 |
| rev | line source |
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| 2 | 1 /* |
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2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system. |
| 2 | 3 * |
| 174 | 4 * Copyright (C) 2002-2007 Aleph One Ltd. |
| 2 | 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 */ | |
| 79 | 15 |
| 174 | 16 |
| 2 | 17 #ifndef __YPORTENV_H__ |
| 18 #define __YPORTENV_H__ | |
| 19 | |
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20 /* |
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21 * Define the MTD version in terms of Linux Kernel versions |
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22 * This allows yaffs to be used independantly of the kernel |
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23 * as well as with it. |
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24 */ |
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25 |
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26 #define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c)) |
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27 |
| 2 | 28 #if defined CONFIG_YAFFS_WINCE |
| 29 | |
| 4 | 30 #include "ywinceenv.h" |
| 2 | 31 |
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32 #elif defined __KERNEL__ |
| 2 | 33 |
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34 #include "moduleconfig.h" |
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35 |
| 79 | 36 /* Linux kernel */ |
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37 |
| 172 | 38 #include <linux/version.h> |
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39 #define MTD_VERSION_CODE LINUX_VERSION_CODE |
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40 |
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41 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) |
| 41 | 42 #include <linux/config.h> |
| 172 | 43 #endif |
| 41 | 44 #include <linux/kernel.h> |
| 45 #include <linux/mm.h> | |
| 196 | 46 #include <linux/sched.h> |
| 41 | 47 #include <linux/string.h> |
| 48 #include <linux/slab.h> | |
| 93 | 49 #include <linux/vmalloc.h> |
| 2 | 50 |
| 4 | 51 #define YCHAR char |
| 52 #define YUCHAR unsigned char | |
| 53 #define _Y(x) x | |
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54 #define yaffs_strcat(a, b) strcat(a, b) |
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55 #define yaffs_strcpy(a, b) strcpy(a, b) |
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56 #define yaffs_strncpy(a, b, c) strncpy(a, b, c) |
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57 #define yaffs_strncmp(a, b, c) strncmp(a, b, c) |
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58 #define yaffs_strlen(s) strlen(s) |
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59 #define yaffs_sprintf sprintf |
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60 #define yaffs_toupper(a) toupper(a) |
| 2 | 61 |
| 4 | 62 #define Y_INLINE inline |
| 2 | 63 |
| 64 #define YAFFS_LOSTNFOUND_NAME "lost+found" | |
| 65 #define YAFFS_LOSTNFOUND_PREFIX "obj" | |
| 66 | |
| 79 | 67 /* #define YPRINTF(x) printk x */ |
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68 #define YMALLOC(x) kmalloc(x, GFP_NOFS) |
| 2 | 69 #define YFREE(x) kfree(x) |
| 93 | 70 #define YMALLOC_ALT(x) vmalloc(x) |
| 71 #define YFREE_ALT(x) vfree(x) | |
| 137 | 72 #define YMALLOC_DMA(x) YMALLOC(x) |
| 73 | |
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74 /* KR - added for use in scan so processes aren't blocked indefinitely. */ |
| 137 | 75 #define YYIELD() schedule() |
| 2 | 76 |
| 182 | 77 #define YAFFS_ROOT_MODE 0666 |
| 2 | 78 #define YAFFS_LOSTNFOUND_MODE 0666 |
| 79 | |
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80 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) |
| 4 | 81 #define Y_CURRENT_TIME CURRENT_TIME.tv_sec |
| 82 #define Y_TIME_CONVERT(x) (x).tv_sec | |
| 83 #else | |
| 84 #define Y_CURRENT_TIME CURRENT_TIME | |
| 85 #define Y_TIME_CONVERT(x) (x) | |
| 86 #endif | |
| 2 | 87 |
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88 #define yaffs_SumCompare(x, y) ((x) == (y)) |
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89 #define yaffs_strcmp(a, b) strcmp(a, b) |
| 2 | 90 |
| 91 #define TENDSTR "\n" | |
| 6 | 92 #define TSTR(x) KERN_WARNING x |
| 272 | 93 #define TCONT(x) x |
| 2 | 94 #define TOUT(p) printk p |
| 95 | |
| 185 | 96 #define yaffs_trace(mask, fmt, args...) \ |
| 97 do { if ((mask) & (yaffs_traceMask|YAFFS_TRACE_ERROR)) \ | |
| 98 printk(KERN_WARNING "yaffs: " fmt, ## args); \ | |
| 99 } while (0) | |
| 100 | |
| 101 #define compile_time_assertion(assertion) \ | |
| 102 ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; }) | |
| 103 | |
| 2 | 104 #elif defined CONFIG_YAFFS_DIRECT |
| 105 | |
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106 #define MTD_VERSION_CODE MTD_VERSION(2, 6, 22) |
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107 |
| 79 | 108 /* Direct interface */ |
| 4 | 109 #include "ydirectenv.h" |
| 2 | 110 |
| 111 #elif defined CONFIG_YAFFS_UTIL | |
| 112 | |
| 79 | 113 /* Stuff for YAFFS utilities */ |
| 2 | 114 |
| 115 #include "stdlib.h" | |
| 116 #include "stdio.h" | |
| 117 #include "string.h" | |
| 118 | |
| 4 | 119 #include "devextras.h" |
| 120 | |
| 2 | 121 #define YMALLOC(x) malloc(x) |
| 122 #define YFREE(x) free(x) | |
| 93 | 123 #define YMALLOC_ALT(x) malloc(x) |
| 124 #define YFREE_ALT(x) free(x) | |
| 2 | 125 |
| 4 | 126 #define YCHAR char |
| 127 #define YUCHAR unsigned char | |
| 128 #define _Y(x) x | |
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129 #define yaffs_strcat(a, b) strcat(a, b) |
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130 #define yaffs_strcpy(a, b) strcpy(a, b) |
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131 #define yaffs_strncpy(a, b, c) strncpy(a, b, c) |
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132 #define yaffs_strlen(s) strlen(s) |
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133 #define yaffs_sprintf sprintf |
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134 #define yaffs_toupper(a) toupper(a) |
| 4 | 135 |
| 136 #define Y_INLINE inline | |
| 2 | 137 |
| 79 | 138 /* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */ |
| 139 /* #define YALERT(s) YINFO(s) */ | |
| 2 | 140 |
| 141 #define TENDSTR "\n" | |
| 142 #define TSTR(x) x | |
| 143 #define TOUT(p) printf p | |
| 144 | |
| 145 #define YAFFS_LOSTNFOUND_NAME "lost+found" | |
| 146 #define YAFFS_LOSTNFOUND_PREFIX "obj" | |
| 79 | 147 /* #define YPRINTF(x) printf x */ |
| 2 | 148 |
| 149 #define YAFFS_ROOT_MODE 0666 | |
| 150 #define YAFFS_LOSTNFOUND_MODE 0666 | |
| 151 | |
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152 #define yaffs_SumCompare(x, y) ((x) == (y)) |
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153 #define yaffs_strcmp(a, b) strcmp(a, b) |
| 2 | 154 |
| 155 #else | |
| 79 | 156 /* Should have specified a configuration type */ |
| 2 | 157 #error Unknown configuration |
| 158 | |
| 79 | 159 #endif |
| 2 | 160 |
| 185 | 161 /* see yaffs_fs.c */ |
| 162 extern unsigned int yaffs_traceMask; | |
| 163 extern unsigned int yaffs_wr_attempts; | |
| 2 | 164 |
| 182 | 165 /* |
| 166 * Tracing flags. | |
| 167 * The flags masked in YAFFS_TRACE_ALWAYS are always traced. | |
| 168 */ | |
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169 |
| 4 | 170 #define YAFFS_TRACE_OS 0x00000002 |
| 171 #define YAFFS_TRACE_ALLOCATE 0x00000004 | |
| 172 #define YAFFS_TRACE_SCAN 0x00000008 | |
| 173 #define YAFFS_TRACE_BAD_BLOCKS 0x00000010 | |
| 174 #define YAFFS_TRACE_ERASE 0x00000020 | |
| 175 #define YAFFS_TRACE_GC 0x00000040 | |
| 176 #define YAFFS_TRACE_WRITE 0x00000080 | |
| 177 #define YAFFS_TRACE_TRACING 0x00000100 | |
| 178 #define YAFFS_TRACE_DELETION 0x00000200 | |
| 179 #define YAFFS_TRACE_BUFFERS 0x00000400 | |
| 180 #define YAFFS_TRACE_NANDACCESS 0x00000800 | |
| 181 #define YAFFS_TRACE_GC_DETAIL 0x00001000 | |
| 7 | 182 #define YAFFS_TRACE_SCAN_DEBUG 0x00002000 |
| 183 #define YAFFS_TRACE_MTD 0x00004000 | |
| 131 | 184 #define YAFFS_TRACE_CHECKPOINT 0x00008000 |
| 182 | 185 |
| 186 #define YAFFS_TRACE_VERIFY 0x00010000 | |
| 187 #define YAFFS_TRACE_VERIFY_NAND 0x00020000 | |
| 188 #define YAFFS_TRACE_VERIFY_FULL 0x00040000 | |
| 189 #define YAFFS_TRACE_VERIFY_ALL 0x000F0000 | |
| 190 | |
| 191 | |
| 192 #define YAFFS_TRACE_ERROR 0x40000000 | |
| 4 | 193 #define YAFFS_TRACE_BUG 0x80000000 |
| 182 | 194 #define YAFFS_TRACE_ALWAYS 0xF0000000 |
| 2 | 195 |
| 182 | 196 |
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197 #define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0) |
| 2 | 198 |
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199 #ifndef YBUG |
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200 #define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0) |
| 2 | 201 #endif |
| 202 | |
| 203 #endif |