1 /* 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. 5 * 6 * Copyright (C) 2002 Aleph One Ltd. 7 * for Toby Churchill Ltd and Brightstar Engineering 8 * 9 * Created by Charles Manning <charles (at) aleph1.co.uk> 10 * 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. 14 * 15 * 16 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. 17 * 18 * $Id: yportenv.h,v 1.11 2006/05/21 09:39:12 charles Exp $ 19 * 20 */ 21 22 #ifndef __YPORTENV_H__ 23 #define __YPORTENV_H__ 24 25 #if defined CONFIG_YAFFS_WINCE 26 27 #include "ywinceenv.h" 28 29 #elif defined __KERNEL__ 30 31 #include "moduleconfig.h" 32 33 /* Linux kernel */ 34 #include <linux/config.h> 35 #include <linux/kernel.h> 36 #include <linux/version.h> 37 #include <linux/mm.h> 38 #include <linux/string.h> 39 #include <linux/slab.h> 40 #include <linux/vmalloc.h> 41 42 #define YCHAR char 43 #define YUCHAR unsigned char 44 #define _Y(x) x 45 #define yaffs_strcpy(a,b) strcpy(a,b) 46 #define yaffs_strncpy(a,b,c) strncpy(a,b,c) 47 #define yaffs_strlen(s) strlen(s) 48 #define yaffs_sprintf sprintf 49 #define yaffs_toupper(a) toupper(a) 50 51 #define Y_INLINE inline 52 53 #define YAFFS_LOSTNFOUND_NAME "lost+found" 54 #define YAFFS_LOSTNFOUND_PREFIX "obj" 55 56 /* #define YPRINTF(x) printk x */ 57 #define YMALLOC(x) kmalloc(x,GFP_KERNEL) 58 #define YFREE(x) kfree(x) 59 #define YMALLOC_ALT(x) vmalloc(x) 60 #define YFREE_ALT(x) vfree(x) 61 #define YMALLOC_DMA(x) YMALLOC(x) 62 63 // KR - added for use in scan so processes aren't blocked indefinitely. 64 #define YYIELD() schedule() 65 66 #define YAFFS_ROOT_MODE 0666 67 #define YAFFS_LOSTNFOUND_MODE 0666 68 69 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) 70 #define Y_CURRENT_TIME CURRENT_TIME.tv_sec 71 #define Y_TIME_CONVERT(x) (x).tv_sec 72 #else 73 #define Y_CURRENT_TIME CURRENT_TIME 74 #define Y_TIME_CONVERT(x) (x) 75 #endif 76 77 #define yaffs_SumCompare(x,y) ((x) == (y)) 78 #define yaffs_strcmp(a,b) strcmp(a,b) 79 80 #define TENDSTR "\n" 81 #define TSTR(x) KERN_WARNING x 82 #define TOUT(p) printk p 83 84 #elif defined CONFIG_YAFFS_DIRECT 85 86 /* Direct interface */ 87 #include "ydirectenv.h" 88 89 #elif defined CONFIG_YAFFS_UTIL 90 91 /* Stuff for YAFFS utilities */ 92 93 #include "stdlib.h" 94 #include "stdio.h" 95 #include "string.h" 96 97 #include "devextras.h" 98 99 #define YMALLOC(x) malloc(x) 100 #define YFREE(x) free(x) 101 #define YMALLOC_ALT(x) malloc(x) 102 #define YFREE_ALT(x) free(x) 103 104 #define YCHAR char 105 #define YUCHAR unsigned char 106 #define _Y(x) x 107 #define yaffs_strcpy(a,b) strcpy(a,b) 108 #define yaffs_strncpy(a,b,c) strncpy(a,b,c) 109 #define yaffs_strlen(s) strlen(s) 110 #define yaffs_sprintf sprintf 111 #define yaffs_toupper(a) toupper(a) 112 113 #define Y_INLINE inline 114 115 /* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */ 116 /* #define YALERT(s) YINFO(s) */ 117 118 #define TENDSTR "\n" 119 #define TSTR(x) x 120 #define TOUT(p) printf p 121 122 #define YAFFS_LOSTNFOUND_NAME "lost+found" 123 #define YAFFS_LOSTNFOUND_PREFIX "obj" 124 /* #define YPRINTF(x) printf x */ 125 126 #define YAFFS_ROOT_MODE 0666 127 #define YAFFS_LOSTNFOUND_MODE 0666 128 129 #define yaffs_SumCompare(x,y) ((x) == (y)) 130 #define yaffs_strcmp(a,b) strcmp(a,b) 131 132 #else 133 /* Should have specified a configuration type */ 134 #error Unknown configuration 135 136 #endif 137 138 extern unsigned yaffs_traceMask; 139 140 #define YAFFS_TRACE_ERROR 0x00000001 141 #define YAFFS_TRACE_OS 0x00000002 142 #define YAFFS_TRACE_ALLOCATE 0x00000004 143 #define YAFFS_TRACE_SCAN 0x00000008 144 #define YAFFS_TRACE_BAD_BLOCKS 0x00000010 145 #define YAFFS_TRACE_ERASE 0x00000020 146 #define YAFFS_TRACE_GC 0x00000040 147 #define YAFFS_TRACE_WRITE 0x00000080 148 #define YAFFS_TRACE_TRACING 0x00000100 149 #define YAFFS_TRACE_DELETION 0x00000200 150 #define YAFFS_TRACE_BUFFERS 0x00000400 151 #define YAFFS_TRACE_NANDACCESS 0x00000800 152 #define YAFFS_TRACE_GC_DETAIL 0x00001000 153 #define YAFFS_TRACE_SCAN_DEBUG 0x00002000 154 #define YAFFS_TRACE_MTD 0x00004000 155 #define YAFFS_TRACE_CHECKPOINT 0x00008000 156 #define YAFFS_TRACE_ALWAYS 0x40000000 157 #define YAFFS_TRACE_BUG 0x80000000 158 159 #define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0) 160 161 #ifndef CONFIG_YAFFS_WINCE 162 #define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__)) 163 #endif 164 165 #endif 166
