1/*
2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
3 * yportenv.h: Portable services used by yaffs. This is done to allow
4 * simple migration from kernel space into app space for testing.
5 *
6 * Copyright (C) 2002 Aleph One Ltd.
7 *   for Toby Churchill Ltd and Brightstar Engineering
8 *
9 * Created by Charles Manning <charles@aleph1.co.uk>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License version 2.1 as
13 * published by the Free Software Foundation.
14 *
15 *
16 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
17 *
18 * $Id: yportenv.h,v 1.11 2006/05/21 09:39:12 charles Exp $
19 *
20 */
21
22#ifndef __YPORTENV_H__
23#define __YPORTENV_H__
24
25#if defined CONFIG_YAFFS_WINCE
26
27#include "ywinceenv.h"
28
29#elif  defined __KERNEL__
30
31#include "moduleconfig.h"
32
33/* Linux kernel */
34#include <linux/config.h>
35#include <linux/kernel.h>
36#include <linux/version.h>
37#include <linux/mm.h>
38#include <linux/string.h>
39#include <linux/slab.h>
40#include <linux/vmalloc.h>
41
42#define YCHAR char
43#define YUCHAR unsigned char
44#define _Y(x)     x
45#define yaffs_strcpy(a,b)    strcpy(a,b)
46#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
47#define yaffs_strlen(s)	     strlen(s)
48#define yaffs_sprintf	     sprintf
49#define yaffs_toupper(a)     toupper(a)
50
51#define Y_INLINE inline
52
53#define YAFFS_LOSTNFOUND_NAME		"lost+found"
54#define YAFFS_LOSTNFOUND_PREFIX		"obj"
55
56/* #define YPRINTF(x) printk x */
57#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
58#define YFREE(x)   kfree(x)
59#define YMALLOC_ALT(x) vmalloc(x)
60#define YFREE_ALT(x)   vfree(x)
61#define YMALLOC_DMA(x) YMALLOC(x)
62
63// KR - added for use in scan so processes aren't blocked indefinitely.
64#define YYIELD() schedule()
65
66#define YAFFS_ROOT_MODE				0666
67#define YAFFS_LOSTNFOUND_MODE		0666
68
69#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
70#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
71#define Y_TIME_CONVERT(x) (x).tv_sec
72#else
73#define Y_CURRENT_TIME CURRENT_TIME
74#define Y_TIME_CONVERT(x) (x)
75#endif
76
77#define yaffs_SumCompare(x,y) ((x) == (y))
78#define yaffs_strcmp(a,b) strcmp(a,b)
79
80#define TENDSTR "\n"
81#define TSTR(x) KERN_WARNING x
82#define TOUT(p) printk p
83
84#elif defined CONFIG_YAFFS_DIRECT
85
86/* Direct interface */
87#include "ydirectenv.h"
88
89#elif defined CONFIG_YAFFS_UTIL
90
91/* Stuff for YAFFS utilities */
92
93#include "stdlib.h"
94#include "stdio.h"
95#include "string.h"
96
97#include "devextras.h"
98
99#define YMALLOC(x) malloc(x)
100#define YFREE(x)   free(x)
101#define YMALLOC_ALT(x) malloc(x)
102#define YFREE_ALT(x) free(x)
103
104#define YCHAR char
105#define YUCHAR unsigned char
106#define _Y(x)     x
107#define yaffs_strcpy(a,b)    strcpy(a,b)
108#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
109#define yaffs_strlen(s)	     strlen(s)
110#define yaffs_sprintf	     sprintf
111#define yaffs_toupper(a)     toupper(a)
112
113#define Y_INLINE inline
114
115/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
116/* #define YALERT(s) YINFO(s) */
117
118#define TENDSTR "\n"
119#define TSTR(x) x
120#define TOUT(p) printf p
121
122#define YAFFS_LOSTNFOUND_NAME		"lost+found"
123#define YAFFS_LOSTNFOUND_PREFIX		"obj"
124/* #define YPRINTF(x) printf x */
125
126#define YAFFS_ROOT_MODE				0666
127#define YAFFS_LOSTNFOUND_MODE		0666
128
129#define yaffs_SumCompare(x,y) ((x) == (y))
130#define yaffs_strcmp(a,b) strcmp(a,b)
131
132#else
133/* Should have specified a configuration type */
134#error Unknown configuration
135
136#endif
137
138extern unsigned yaffs_traceMask;
139
140#define YAFFS_TRACE_ERROR		0x00000001
141#define YAFFS_TRACE_OS			0x00000002
142#define YAFFS_TRACE_ALLOCATE		0x00000004
143#define YAFFS_TRACE_SCAN		0x00000008
144#define YAFFS_TRACE_BAD_BLOCKS		0x00000010
145#define YAFFS_TRACE_ERASE		0x00000020
146#define YAFFS_TRACE_GC			0x00000040
147#define YAFFS_TRACE_WRITE		0x00000080
148#define YAFFS_TRACE_TRACING		0x00000100
149#define YAFFS_TRACE_DELETION		0x00000200
150#define YAFFS_TRACE_BUFFERS		0x00000400
151#define YAFFS_TRACE_NANDACCESS		0x00000800
152#define YAFFS_TRACE_GC_DETAIL		0x00001000
153#define YAFFS_TRACE_SCAN_DEBUG		0x00002000
154#define YAFFS_TRACE_MTD			0x00004000
155#define YAFFS_TRACE_CHECKPOINT		0x00008000
156#define YAFFS_TRACE_ALWAYS		0x40000000
157#define YAFFS_TRACE_BUG			0x80000000
158
159#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0)
160
161#ifndef CONFIG_YAFFS_WINCE
162#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
163#endif
164
165#endif
166