mirror of https://github.com/hak5/openwrt.git
334 lines
5.8 KiB
C
334 lines
5.8 KiB
C
/*
|
|
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
|
|
*
|
|
* Copyright (C) 2002-2010 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>
|
|
#include <linux/xattr.h>
|
|
|
|
#define YCHAR char
|
|
#define YUCHAR unsigned char
|
|
#define _Y(x) x
|
|
#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_NOFS)
|
|
#define YFREE(x) kfree(x)
|
|
#define YMALLOC_ALT(x) vmalloc(x)
|
|
#define YFREE_ALT(x) vfree(x)
|
|
#define YMALLOC_DMA(x) YMALLOC(x)
|
|
|
|
#define YYIELD() schedule()
|
|
#define Y_DUMP_STACK() dump_stack()
|
|
|
|
#define YAFFS_ROOT_MODE 0755
|
|
#define YAFFS_LOSTNFOUND_MODE 0700
|
|
|
|
#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_sum_cmp(x, y) ((x) == (y))
|
|
#define yaffs_strcmp(a, b) strcmp(a, b)
|
|
|
|
#define TENDSTR "\n"
|
|
#define TSTR(x) KERN_DEBUG x
|
|
#define TCONT(x) x
|
|
#define TOUT(p) printk p
|
|
|
|
#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"
|
|
|
|
|
|
#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_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 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 0755
|
|
#define YAFFS_LOSTNFOUND_MODE 0700
|
|
|
|
#define yaffs_sum_cmp(x, y) ((x) == (y))
|
|
#define yaffs_strcmp(a, b) strcmp(a, b)
|
|
|
|
#else
|
|
/* Should have specified a configuration type */
|
|
#error Unknown configuration
|
|
|
|
#endif
|
|
|
|
#if defined(CONFIG_YAFFS_DIRECT) || defined(CONFIG_YAFFS_WINCE)
|
|
|
|
#ifdef CONFIG_YAFFSFS_PROVIDE_VALUES
|
|
|
|
#ifndef O_RDONLY
|
|
#define O_RDONLY 00
|
|
#endif
|
|
|
|
#ifndef O_WRONLY
|
|
#define O_WRONLY 01
|
|
#endif
|
|
|
|
#ifndef O_RDWR
|
|
#define O_RDWR 02
|
|
#endif
|
|
|
|
#ifndef O_CREAT
|
|
#define O_CREAT 0100
|
|
#endif
|
|
|
|
#ifndef O_EXCL
|
|
#define O_EXCL 0200
|
|
#endif
|
|
|
|
#ifndef O_TRUNC
|
|
#define O_TRUNC 01000
|
|
#endif
|
|
|
|
#ifndef O_APPEND
|
|
#define O_APPEND 02000
|
|
#endif
|
|
|
|
#ifndef SEEK_SET
|
|
#define SEEK_SET 0
|
|
#endif
|
|
|
|
#ifndef SEEK_CUR
|
|
#define SEEK_CUR 1
|
|
#endif
|
|
|
|
#ifndef SEEK_END
|
|
#define SEEK_END 2
|
|
#endif
|
|
|
|
#ifndef EBUSY
|
|
#define EBUSY 16
|
|
#endif
|
|
|
|
#ifndef ENODEV
|
|
#define ENODEV 19
|
|
#endif
|
|
|
|
#ifndef EINVAL
|
|
#define EINVAL 22
|
|
#endif
|
|
|
|
#ifndef EBADF
|
|
#define EBADF 9
|
|
#endif
|
|
|
|
#ifndef EACCES
|
|
#define EACCES 13
|
|
#endif
|
|
|
|
#ifndef EXDEV
|
|
#define EXDEV 18
|
|
#endif
|
|
|
|
#ifndef ENOENT
|
|
#define ENOENT 2
|
|
#endif
|
|
|
|
#ifndef ENOSPC
|
|
#define ENOSPC 28
|
|
#endif
|
|
|
|
#ifndef ERANGE
|
|
#define ERANGE 34
|
|
#endif
|
|
|
|
#ifndef ENODATA
|
|
#define ENODATA 61
|
|
#endif
|
|
|
|
#ifndef ENOTEMPTY
|
|
#define ENOTEMPTY 39
|
|
#endif
|
|
|
|
#ifndef ENAMETOOLONG
|
|
#define ENAMETOOLONG 36
|
|
#endif
|
|
|
|
#ifndef ENOMEM
|
|
#define ENOMEM 12
|
|
#endif
|
|
|
|
#ifndef EEXIST
|
|
#define EEXIST 17
|
|
#endif
|
|
|
|
#ifndef ENOTDIR
|
|
#define ENOTDIR 20
|
|
#endif
|
|
|
|
#ifndef EISDIR
|
|
#define EISDIR 21
|
|
#endif
|
|
|
|
|
|
// Mode flags
|
|
|
|
#ifndef S_IFMT
|
|
#define S_IFMT 0170000
|
|
#endif
|
|
|
|
#ifndef S_IFLNK
|
|
#define S_IFLNK 0120000
|
|
#endif
|
|
|
|
#ifndef S_IFDIR
|
|
#define S_IFDIR 0040000
|
|
#endif
|
|
|
|
#ifndef S_IFREG
|
|
#define S_IFREG 0100000
|
|
#endif
|
|
|
|
#ifndef S_IREAD
|
|
#define S_IREAD 0000400
|
|
#endif
|
|
|
|
#ifndef S_IWRITE
|
|
#define S_IWRITE 0000200
|
|
#endif
|
|
|
|
#ifndef S_IEXEC
|
|
#define S_IEXEC 0000100
|
|
#endif
|
|
|
|
#ifndef XATTR_CREATE
|
|
#define XATTR_CREATE 1
|
|
#endif
|
|
|
|
#ifndef XATTR_REPLACE
|
|
#define XATTR_REPLACE 2
|
|
#endif
|
|
|
|
#ifndef R_OK
|
|
#define R_OK 4
|
|
#define W_OK 2
|
|
#define X_OK 1
|
|
#define F_OK 0
|
|
#endif
|
|
|
|
#else
|
|
#include <errno.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#ifndef Y_DUMP_STACK
|
|
#define Y_DUMP_STACK() do { } while (0)
|
|
#endif
|
|
|
|
#ifndef YBUG
|
|
#define YBUG() do {\
|
|
T(YAFFS_TRACE_BUG,\
|
|
(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),\
|
|
__LINE__));\
|
|
Y_DUMP_STACK();\
|
|
} while (0)
|
|
#endif
|
|
|
|
|
|
#endif
|