X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yportenv.h;h=e1f61f49fab59c2b85e64f49b65ebd0f7fbc36a3;hp=77c5b058391f9c745e5c811e44e9cc563c863b8c;hb=06f8628f9290bd967b8374c992a11dd06caa8747;hpb=6a4a7bfdb19f0d608d85f0103f90c6bbd265bf58 diff --git a/yportenv.h b/yportenv.h index 77c5b05..e1f61f4 100644 --- a/yportenv.h +++ b/yportenv.h @@ -1,9 +1,7 @@ /* - * YAFFS: Yet another FFS. A NAND-flash specific file system. - * yportenv.h: Portable services used by yaffs. This is done to allow - * simple migration from kernel space into app space for testing. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002 Aleph One Ltd. + * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning @@ -12,54 +10,74 @@ * 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. - * - * $Id: yportenv.h,v 1.3 2004-11-16 02:36:15 charles Exp $ - * */ - + + #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__ +#elif defined __KERNEL__ + +#include "moduleconfig.h" +/* Linux kernel */ +#include +#define MTD_VERSION_CODE LINUX_VERSION_CODE -// Linux kernel -#include "linux/kernel.h" -#include "linux/version.h" -#include "linux/mm.h" -#include "linux/string.h" -#include "linux/slab.h" +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) +#include +#endif +#include +#include +#include +#include +#include +#include #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 yaffs_strcat(a, b) strcat(a, b) +#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_strnlen(s,m) strnlen(s,m) +#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 YPRINTF(x) printk x */ +#define YMALLOC(x) kmalloc(x, GFP_NOFS) #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 +#define YAFFS_ROOT_MODE 0755 +#define YAFFS_LOSTNFOUND_MODE 0700 -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +#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 @@ -67,22 +85,32 @@ #define Y_TIME_CONVERT(x) (x) #endif -#define yaffs_SumCompare(x,y) ((x) == (y)) -#define yaffs_strcmp(a,b) strcmp(a,b) +#define yaffs_SumCompare(x, y) ((x) == (y)) +#define yaffs_strcmp(a, b) strcmp(a, b) #define TENDSTR "\n" -#define TSTR(x) KERN_DEBUG x +#define TSTR(x) KERN_WARNING x +#define TCONT(x) x #define TOUT(p) printk p +#define yaffs_trace(mask, fmt, args...) \ + do { if ((mask) & (yaffs_traceMask| YAFFS_TRACE_ALWAYS)) \ + 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 +#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22) + +/* Direct interface */ #include "ydirectenv.h" #elif defined CONFIG_YAFFS_UTIL -// Stuff for YAFFS utilities +/* Stuff for YAFFS utilities */ #include "stdlib.h" #include "stdio.h" @@ -92,71 +120,47 @@ #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 yaffs_strcat(a, b) strcat(a, b) +#define yaffs_strcpy(a, b) strcpy(a, b) +#define yaffs_strncpy(a, b, c) strncpy(a, b, c) +#define yaffs_strnlen(s,m) strnlen(s,m) +#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 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 YPRINTF(x) printf x */ -#define YAFFS_ROOT_MODE 0666 -#define YAFFS_LOSTNFOUND_MODE 0666 +#define YAFFS_ROOT_MODE 0755 +#define YAFFS_LOSTNFOUND_MODE 0700 -#define yaffs_SumCompare(x,y) ((x) == (y)) -#define yaffs_strcmp(a,b) strcmp(a,b) +#define yaffs_SumCompare(x, y) ((x) == (y)) +#define yaffs_strcmp(a, b) strcmp(a, b) #else -// Should have specified a configuration type +/* Should have specified a configuration type */ #error Unknown configuration -#endif - - -extern unsigned yaffs_traceMask; - -#define YAFFS_TRACE_ERROR 0x00000001 -#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_ALWAYS 0x40000000 -#define YAFFS_TRACE_BUG 0x80000000 - -#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0) +#endif -#ifndef CONFIG_YAFFS_WINCE -#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__)) +#ifndef YBUG +#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0) #endif #endif - -