/* * 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__ #if defined CONFIG_YAFFS_WINCE #include "ywinceenv.h" #elif defined __KERNEL__ #include "moduleconfig.h" /* Linux kernel */ #include <linux/version.h> #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 /* 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 CONFIG_YAFFS_WINCE #define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__)) #endif #endif