/*
 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
 *
 * Copyright (C) 2002-2011 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__

#include <linux/bug.h>
#include <linux/types.h>

/* Definition of types */
#ifdef CONFIG_YAFFS_DEFINES_TYPES
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned u32;
#endif

#ifdef CONFIG_YAFFS_PROVIDE_DEFS
/* File types */

#define DT_UNKNOWN	0
#define DT_FIFO		1
#define DT_CHR		2
#define DT_DIR		4
#define DT_BLK		6
#define DT_REG		8
#define DT_LNK		10
#define DT_SOCK		12
#define DT_WHT		14

/*
 * Attribute flags.
 * These are or-ed together to select what has been changed.
 */
#define ATTR_MODE	1
#define ATTR_UID	2
#define ATTR_GID	4
#define ATTR_SIZE	8
#define ATTR_ATIME	16
#define ATTR_MTIME	32
#define ATTR_CTIME	64

struct iattr {
	unsigned int ia_valid;
	unsigned ia_mode;
	unsigned ia_uid;
	unsigned ia_gid;
	unsigned ia_size;
	unsigned ia_atime;
	unsigned ia_mtime;
	unsigned ia_ctime;
	unsigned int ia_attr_flags;
};

#endif

#if defined CONFIG_YAFFS_WINCE

#include "ywinceenv.h"

#elif defined CONFIG_YAFFS_DIRECT

/* Direct interface */
#include "ydirectenv.h"

#elif defined CONFIG_YAFFS_UTIL

#include "yutilsenv.h"

#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 ENFILE
#define ENFILE	23
#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 EROFS
#define EROFS	30
#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 EFAULT
#define EFAULT 14
#endif

#ifndef EEXIST
#define EEXIST 17
#endif

#ifndef ENOTDIR
#define ENOTDIR 20
#endif

#ifndef EISDIR
#define EISDIR 21
#endif

#ifndef ELOOP
#define ELOOP	40
#endif

/* Mode flags */

#ifndef S_IFMT
#define S_IFMT		0170000
#endif

#ifndef S_IFSOCK
#define S_IFSOCK	0140000
#endif

#ifndef S_IFIFO
#define S_IFIFO		0010000
#endif

#ifndef S_IFCHR
#define S_IFCHR		0020000
#endif

#ifndef S_IFBLK
#define S_IFBLK		0060000
#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

#define S_ISSOCK(m)	(((m) & S_IFMT) == S_IFSOCK)
#define S_ISLNK(m)	(((m) & S_IFMT) == S_IFLNK)
#define S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)
#define S_ISREG(m)	(((m) & S_IFMT) == S_IFREG)
#define S_ISBLK(m)	(((m) & S_IFMT) == S_IFBLK)
#define S_ISCHR(m)	(((m) & S_IFMT) == S_IFCHR)
#define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)

#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 BUG
#define BUG() do {\
	yaffs_trace(YAFFS_TRACE_BUG,\
		"==>> yaffs bug: " __FILE__ " %d",\
		__LINE__);\
	Y_DUMP_STACK();\
} while (0)
#endif

#endif