/* * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. *   for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1 as * published by the Free Software Foundation. * * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. */#ifndef __YPORTENV_H__#define __YPORTENV_H__/* * Define the MTD version in terms of Linux Kernel versions * This allows yaffs to be used independantly of the kernel * as well as with it. */#define MTD_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))#if defined CONFIG_YAFFS_WINCE#include "ywinceenv.h"#elif  defined __KERNEL__#include "moduleconfig.h"/* Linux kernel */#include <linux/version.h>#define MTD_VERSION_CODE LINUX_VERSION_CODE#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))#include <linux/config.h>#endif#include <linux/kernel.h>#include <linux/mm.h>#include <linux/sched.h>#include <linux/string.h>#include <linux/slab.h>#include <linux/vmalloc.h>#define YCHAR char#define YUCHAR unsigned char#define _Y(x)     x#define yaffs_strcpy(a,b)    strcpy(a,b)#define yaffs_strncpy(a,b,c) strncpy(a,b,c)#define yaffs_strncmp(a,b,c) strncmp(a,b,c)#define yaffs_strlen(s)	     strlen(s)#define yaffs_sprintf	     sprintf#define yaffs_toupper(a)     toupper(a)#define Y_INLINE inline#define YAFFS_LOSTNFOUND_NAME		"lost+found"#define YAFFS_LOSTNFOUND_PREFIX		"obj"/* #define YPRINTF(x) printk x */#define YMALLOC(x) kmalloc(x,GFP_KERNEL)#define YFREE(x)   kfree(x)#define YMALLOC_ALT(x) vmalloc(x)#define YFREE_ALT(x)   vfree(x)#define YMALLOC_DMA(x) YMALLOC(x)// KR - added for use in scan so processes aren't blocked indefinitely.#define YYIELD() schedule()#define YAFFS_ROOT_MODE			0666#define YAFFS_LOSTNFOUND_MODE		0666#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))#define Y_CURRENT_TIME CURRENT_TIME.tv_sec#define Y_TIME_CONVERT(x) (x).tv_sec#else#define Y_CURRENT_TIME CURRENT_TIME#define Y_TIME_CONVERT(x) (x)#endif#define yaffs_SumCompare(x,y) ((x) == (y))#define yaffs_strcmp(a,b) strcmp(a,b)#define TENDSTR "\n"#define TSTR(x) KERN_WARNING x#define TOUT(p) printk p#define yaffs_trace(mask, fmt, args...) \	do { if ((mask) & (yaffs_traceMask|YAFFS_TRACE_ERROR)) \		printk(KERN_WARNING "yaffs: " fmt, ## args); \	} while (0)#define compile_time_assertion(assertion) \	({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })#elif defined CONFIG_YAFFS_DIRECT#define MTD_VERSION_CODE MTD_VERSION(2,6,22)/* Direct interface */#include "ydirectenv.h"#elif defined CONFIG_YAFFS_UTIL/* Stuff for YAFFS utilities */#include "stdlib.h"#include "stdio.h"#include "string.h"#include "devextras.h"#define YMALLOC(x) malloc(x)#define YFREE(x)   free(x)#define YMALLOC_ALT(x) malloc(x)#define YFREE_ALT(x) free(x)#define YCHAR char#define YUCHAR unsigned char#define _Y(x)     x#define yaffs_strcpy(a,b)    strcpy(a,b)#define yaffs_strncpy(a,b,c) strncpy(a,b,c)#define yaffs_strlen(s)	     strlen(s)#define yaffs_sprintf	     sprintf#define yaffs_toupper(a)     toupper(a)#define Y_INLINE inline/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) *//* #define YALERT(s) YINFO(s) */#define TENDSTR "\n"#define TSTR(x) x#define TOUT(p) printf p#define YAFFS_LOSTNFOUND_NAME		"lost+found"#define YAFFS_LOSTNFOUND_PREFIX		"obj"/* #define YPRINTF(x) printf x */#define YAFFS_ROOT_MODE				0666#define YAFFS_LOSTNFOUND_MODE		0666#define yaffs_SumCompare(x,y) ((x) == (y))#define yaffs_strcmp(a,b) strcmp(a,b)#else/* Should have specified a configuration type */#error Unknown configuration#endif/* see yaffs_fs.c */extern unsigned int yaffs_traceMask;extern unsigned int yaffs_wr_attempts;/* * Tracing flags. * The flags masked in YAFFS_TRACE_ALWAYS are always traced. */#define YAFFS_TRACE_OS			0x00000002#define YAFFS_TRACE_ALLOCATE		0x00000004#define YAFFS_TRACE_SCAN		0x00000008#define YAFFS_TRACE_BAD_BLOCKS		0x00000010#define YAFFS_TRACE_ERASE		0x00000020#define YAFFS_TRACE_GC			0x00000040#define YAFFS_TRACE_WRITE		0x00000080#define YAFFS_TRACE_TRACING		0x00000100#define YAFFS_TRACE_DELETION		0x00000200#define YAFFS_TRACE_BUFFERS		0x00000400#define YAFFS_TRACE_NANDACCESS		0x00000800#define YAFFS_TRACE_GC_DETAIL		0x00001000#define YAFFS_TRACE_SCAN_DEBUG		0x00002000#define YAFFS_TRACE_MTD			0x00004000#define YAFFS_TRACE_CHECKPOINT		0x00008000#define YAFFS_TRACE_VERIFY		0x00010000#define YAFFS_TRACE_VERIFY_NAND		0x00020000#define YAFFS_TRACE_VERIFY_FULL		0x00040000#define YAFFS_TRACE_VERIFY_ALL		0x000F0000#define YAFFS_TRACE_ERROR		0x40000000#define YAFFS_TRACE_BUG			0x80000000#define YAFFS_TRACE_ALWAYS		0xF0000000#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)#ifndef YBUG#define YBUG() do {T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__));} while(0)#endif#endif