Mercurial > yaffs-ecoscentric-gpl
annotate yportenv.h @ 409:b5309c9b6d7f
yaffs Some cleanups.
Update copyright messages.
Clean up tracing to use TSTR and KERN_DEBUG.
Remove cvs $Id.
Change /proc/yaffs_debug to /proc/yaffs_stats.
... and a few other clean ups.
Signed-off-by: Charles Manning <cdhmanning@gmail.com>
| author | Charles Manning <cdhmanning@gmail.com> |
|---|---|
| date | Tue, 20 Apr 2010 17:12:46 +1200 |
| parents | ce702882929d |
| children | d94b1449bddc |
| rev | line source |
|---|---|
| 2 | 1 /* |
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2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system. |
| 2 | 3 * |
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4 * Copyright (C) 2002-2010 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 */ | |
| 77 | 15 |
| 168 | 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 |
| 77 | 36 /* Linux kernel */ |
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37 |
| 166 | 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)) |
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42 #include <linux/config.h> |
| 166 | 43 #endif |
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44 #include <linux/kernel.h> |
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45 #include <linux/mm.h> |
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46 #include <linux/sched.h> |
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47 #include <linux/string.h> |
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48 #include <linux/slab.h> |
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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_strnlen(s,m) strnlen(s,m) |
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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 | |
| 77 | 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) |
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70 #define YMALLOC_ALT(x) vmalloc(x) |
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71 #define YFREE_ALT(x) vfree(x) |
| 131 | 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. */ |
| 131 | 75 #define YYIELD() schedule() |
| 2 | 76 |
| 290 | 77 #define YAFFS_ROOT_MODE 0755 |
| 78 #define YAFFS_LOSTNFOUND_MODE 0700 | |
| 2 | 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" | |
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92 #define TSTR(x) KERN_DEBUG x |
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93 #define TCONT(x) x |
| 2 | 94 #define TOUT(p) printk p |
| 95 | |
| 179 | 96 #define compile_time_assertion(assertion) \ |
| 97 ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; }) | |
| 98 | |
| 2 | 99 #elif defined CONFIG_YAFFS_DIRECT |
| 100 | |
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101 #define MTD_VERSION_CODE MTD_VERSION(2, 6, 22) |
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102 |
| 77 | 103 /* Direct interface */ |
| 4 | 104 #include "ydirectenv.h" |
| 2 | 105 |
| 106 #elif defined CONFIG_YAFFS_UTIL | |
| 107 | |
| 77 | 108 /* Stuff for YAFFS utilities */ |
| 2 | 109 |
| 110 #include "stdlib.h" | |
| 111 #include "stdio.h" | |
| 112 #include "string.h" | |
| 113 | |
| 4 | 114 #include "devextras.h" |
| 115 | |
| 2 | 116 #define YMALLOC(x) malloc(x) |
| 117 #define YFREE(x) free(x) | |
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118 #define YMALLOC_ALT(x) malloc(x) |
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119 #define YFREE_ALT(x) free(x) |
| 2 | 120 |
| 4 | 121 #define YCHAR char |
| 122 #define YUCHAR unsigned char | |
| 123 #define _Y(x) x | |
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124 #define yaffs_strcat(a, b) strcat(a, b) |
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125 #define yaffs_strcpy(a, b) strcpy(a, b) |
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126 #define yaffs_strncpy(a, b, c) strncpy(a, b, c) |
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127 #define yaffs_strnlen(s,m) strnlen(s,m) |
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128 #define yaffs_sprintf sprintf |
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129 #define yaffs_toupper(a) toupper(a) |
| 4 | 130 |
| 131 #define Y_INLINE inline | |
| 2 | 132 |
| 77 | 133 /* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */ |
| 134 /* #define YALERT(s) YINFO(s) */ | |
| 2 | 135 |
| 136 #define TENDSTR "\n" | |
| 137 #define TSTR(x) x | |
| 138 #define TOUT(p) printf p | |
| 139 | |
| 140 #define YAFFS_LOSTNFOUND_NAME "lost+found" | |
| 141 #define YAFFS_LOSTNFOUND_PREFIX "obj" | |
| 77 | 142 /* #define YPRINTF(x) printf x */ |
| 2 | 143 |
| 290 | 144 #define YAFFS_ROOT_MODE 0755 |
| 145 #define YAFFS_LOSTNFOUND_MODE 0700 | |
| 2 | 146 |
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147 #define yaffs_SumCompare(x, y) ((x) == (y)) |
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148 #define yaffs_strcmp(a, b) strcmp(a, b) |
| 2 | 149 |
| 150 #else | |
| 77 | 151 /* Should have specified a configuration type */ |
| 2 | 152 #error Unknown configuration |
| 153 | |
| 77 | 154 #endif |
| 2 | 155 |
| 156 | |
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157 #ifndef YBUG |
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158 #define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0) |
| 2 | 159 #endif |
| 160 | |
| 161 #endif |