1/*
2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2011 Aleph One Ltd.
5 *   for Toby Churchill Ltd and Brightstar Engineering
6 *
7 * Created by Charles Manning <charles@aleph1.co.uk>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License version 2.1 as
11 * published by the Free Software Foundation.
12 *
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
14 */
15
16#ifndef __YPORTENV_H__
17#define __YPORTENV_H__
18
19/*
20 * Define the MTD version in terms of Linux Kernel versions
21 * This allows yaffs to be used independantly of the kernel
22 * as well as with it.
23 */
24
25#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
26
27#ifdef YAFFS_OUT_OF_TREE
28#include "moduleconfig.h"
29#endif
30
31#include <linux/version.h>
32#define MTD_VERSION_CODE LINUX_VERSION_CODE
33
34#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
35#include <linux/config.h>
36#endif
37#include <linux/version.h>
38#include <linux/kernel.h>
39#include <linux/mm.h>
40#include <linux/sched.h>
41#include <linux/string.h>
42#include <linux/slab.h>
43#include <linux/vmalloc.h>
44#include <linux/xattr.h>
45#include <linux/list.h>
46#include <linux/types.h>
47#include <linux/fs.h>
48#include <linux/stat.h>
49#include <linux/sort.h>
50#include <linux/bitops.h>
51
52/*  These type wrappings are used to support Unicode names in WinCE. */
53#define YCHAR char
54#define YUCHAR unsigned char
55#define _Y(x)     x
56
57#define YAFFS_LOSTNFOUND_NAME		"lost+found"
58#define YAFFS_LOSTNFOUND_PREFIX		"obj"
59
60
61#define YAFFS_ROOT_MODE			0755
62#define YAFFS_LOSTNFOUND_MODE		0700
63
64#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
65#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
66#define Y_TIME_CONVERT(x) (x).tv_sec
67#else
68#define Y_CURRENT_TIME CURRENT_TIME
69#define Y_TIME_CONVERT(x) (x)
70#endif
71
72#define compile_time_assertion(assertion) \
73	({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
74
75
76#define yaffs_printf(msk, fmt, ...) \
77	printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__)
78
79#define yaffs_trace(msk, fmt, ...) do { \
80	if (yaffs_trace_mask & (msk)) \
81		printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \
82} while (0)
83
84
85#endif
86