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@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 138extern 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